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TYC 4953 A/C Condenser
Reliable A/C Condenser for Select GM Trucks and SUVs
The TYC 4953 A/C condenser is designed to provide efficient cooling performance for a range of GM vehicles including Cadillac Escalade, Chevrolet Silverado, and GMC Sierra models. Engineered with a parallel flow configuration, this condenser ensures optimal heat dissipation to maintain your vehicle's air conditioning system at peak operation.
- Parallel flow configuration for effective heat exchange
- Core dimensions: 17 inches height, 29.96 inches length, 0.63 inches thickness
- Inlet and outlet diameters both measure 0.46 inches with block fitting design
- Compatible with multiple GM makes and models including Cadillac Escalade, Chevrolet Silverado, GMC Sierra, Hummer H2, and more
- TYC part number 4953 for precise replacement fit
Detailed Product Features and Specifications
This TYC A/C condenser features a parallel flow design that enhances refrigerant flow and heat transfer efficiency. The core measures 17 inches in height, 29.96 inches in length, and 0.63 inches in thickness, providing a robust surface area for cooling. Both the inlet and outlet ports have a diameter of 0.46 inches and utilize a block fitting design, ensuring secure and leak-free connections within the HVAC system. This condenser does not include a built-in oil cooler or receiver/dryer, focusing solely on reliable condenser performance.
Compatible Vehicles and Applications
This condenser is compatible with a wide range of GM trucks and SUVs, including:
- Cadillac Escalade, Escalade ESV, and Escalade EXT
- Chevrolet Avalanche 1500 and 2500, Silverado 1500, 2500, and 3500 series (including Classic and HD variants)
- GMC Sierra 1500, 2500, and 3500 series (including Classic and HD variants)
- Hummer H2
- Suburban 1500 and 2500, Tahoe, Yukon, Yukon XL 1500 and 2500
Common Issues Addressed by This A/C Condenser
- Reduced cooling efficiency due to clogged or damaged condenser core
- Leaks or refrigerant loss from worn or corroded condenser fittings
- Overheating of the A/C system caused by insufficient heat dissipation
- Replacement of factory condenser in vehicles with parallel flow HVAC systems
- Restoring proper refrigerant flow and pressure for consistent cabin cooling
Installation Notes and Tips
When installing the TYC 4953 A/C condenser, ensure the vehicle’s A/C system is properly evacuated and recharged by a certified technician. Verify that the inlet and outlet block fittings match the vehicle’s existing connections to prevent leaks. Inspect surrounding components such as the radiator and condenser fan for any damage or debris that could affect performance. Proper alignment and secure mounting are essential to avoid vibration and premature wear.
Quality Assurance and Warranty
TYC manufactures this A/C condenser to meet or exceed OEM specifications for fit, form, and function. While specific warranty details are not provided here, TYC products typically come with a limited warranty covering defects in materials and workmanship. For exact warranty terms, consult the product documentation or authorized distributor.
| Brand | TYC |
| Part Number | 4953 |
| Configuration | Parallel flow |
| Built-in Oil Cooler | No |
| Built-in Receiver/dryer | No |
| Core Height (in) | 17 |
| Core Length (in) | 29.96 |
| Core Thickness (in) | 0.63 |
| Inlet Diameter (in) | 0.46 |
| Inlet Fitting Design | Block |
| Outlet Diameter (in) | 0.46 |
| Outlet Fitting Design | Block |
This part fits 2000 vehicles. Search below:
| Year | Make | Model | Submodel | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2014 | Cadillac | Escalade | Base | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | Cadillac | Escalade | Platinum | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | Cadillac | Escalade | Premium | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | Cadillac | Escalade | Luxury | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | Cadillac | Escalade ESV | Luxury | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | Cadillac | Escalade ESV | Base | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | Cadillac | Escalade ESV | Platinum | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | Cadillac | Escalade ESV | Premium | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | Chevrolet | Silverado 2500 HD | LT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | Chevrolet | Silverado 2500 HD | WT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | Chevrolet | Silverado 2500 HD | LT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | Chevrolet | Silverado 2500 HD | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | Chevrolet | Silverado 2500 HD | LT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | Chevrolet | Silverado 2500 HD | WT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | Chevrolet | Silverado 2500 HD | WT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | Chevrolet | Silverado 2500 HD | LTZ | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | Chevrolet | Silverado 2500 HD | LT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | Chevrolet | Silverado 2500 HD | LTZ | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | Chevrolet | Silverado 3500 HD | LT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | Chevrolet | Silverado 3500 HD | LT | Cab & Chassis | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | Chevrolet | Silverado 3500 HD | WT | Cab & Chassis | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | Chevrolet | Silverado 3500 HD | LT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | Chevrolet | Silverado 3500 HD | LT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | Chevrolet | Silverado 3500 HD | WT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | Chevrolet | Silverado 3500 HD | LTZ | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | Chevrolet | Silverado 3500 HD | WT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | Chevrolet | Silverado 3500 HD | WT | Cab & Chassis | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | Chevrolet | Silverado 3500 HD | LT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | Chevrolet | Silverado 3500 HD | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | Chevrolet | Silverado 3500 HD | WT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | Chevrolet | Silverado 3500 HD | LT | Cab & Chassis | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | Chevrolet | Silverado 3500 HD | LTZ | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | Chevrolet | Suburban 1500 | LS | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | Chevrolet | Suburban 1500 | LTZ | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | Chevrolet | Suburban 1500 | LT | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | Chevrolet | Tahoe | LTZ | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | Chevrolet | Tahoe | PPV | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | Chevrolet | Tahoe | LT | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | Chevrolet | Tahoe | SSV | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | Chevrolet | Tahoe | LS | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | GMC | Sierra 2500 HD | SLT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | GMC | Sierra 2500 HD | SLE | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | GMC | Sierra 2500 HD | SLT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | GMC | Sierra 2500 HD | WT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | GMC | Sierra 2500 HD | Denali | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | GMC | Sierra 2500 HD | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | GMC | Sierra 2500 HD | WT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | GMC | Sierra 2500 HD | Denali | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | GMC | Sierra 2500 HD | SLE | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | GMC | Sierra 2500 HD | SLE | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | GMC | Sierra 2500 HD | WT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | GMC | Sierra 2500 HD | SLE | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | GMC | Sierra 3500 HD | SLE | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | GMC | Sierra 3500 HD | Denali | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | GMC | Sierra 3500 HD | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | GMC | Sierra 3500 HD | SLE | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | GMC | Sierra 3500 HD | SLE | Cab & Chassis | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | GMC | Sierra 3500 HD | SLE | Cab & Chassis | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | GMC | Sierra 3500 HD | WT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | GMC | Sierra 3500 HD | SLE | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | GMC | Sierra 3500 HD | WT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | GMC | Sierra 3500 HD | WT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | GMC | Sierra 3500 HD | SLT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | GMC | Sierra 3500 HD | SLE | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | GMC | Sierra 3500 HD | Denali | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | GMC | Sierra 3500 HD | WT | Cab & Chassis | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | GMC | Sierra 3500 HD | WT | Cab & Chassis | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | GMC | Sierra 3500 HD | SLT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | GMC | Yukon | Denali | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | GMC | Yukon | SLT | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | GMC | Yukon | SLE | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | GMC | Yukon XL 1500 | SLT | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | GMC | Yukon XL 1500 | SLE | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | GMC | Yukon XL 1500 | Denali | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2014 | GMC | Yukon XL 1500 | SLT | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Cadillac | Escalade | Premium | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Cadillac | Escalade | Platinum | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Cadillac | Escalade | Luxury | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Cadillac | Escalade | Base | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Cadillac | Escalade ESV | Platinum | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Cadillac | Escalade ESV | Luxury | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Cadillac | Escalade ESV | Base | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Cadillac | Escalade ESV | Premium | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 1500 | LT | Extended Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 1500 | LT | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 1500 | LS | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 1500 | WT | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 1500 | LT | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 1500 | LT | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 1500 | LS | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 1500 | WT | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 1500 | XFE | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 1500 | LTZ | Extended Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 1500 | LS | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 1500 | LTZ | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 1500 | LTZ | Crew Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 1500 | LTZ | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 1500 | LT | Standard Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 1500 | WT | Crew Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 1500 | LT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 1500 | LT | Crew Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 1500 | LT | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 1500 | WT | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 1500 | WT | Extended Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 1500 | WT | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 1500 | WT | Standard Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 1500 | WT | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 1500 | LT | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 1500 | LS | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 1500 | WT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 2500 HD | LTZ | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 2500 HD | LTZ | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 2500 HD | LT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 2500 HD | WT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 2500 HD | WT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 2500 HD | LT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 2500 HD | LT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 2500 HD | WT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 2500 HD | LT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 2500 HD | LT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 2500 HD | WT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 2500 HD | WT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 2500 HD | LTZ | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 2500 HD | LT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 2500 HD | LTZ | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 2500 HD | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 3500 HD | LT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 3500 HD | LT | Cab & Chassis | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 3500 HD | WT | Cab & Chassis | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 3500 HD | LTZ | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 3500 HD | WT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 3500 HD | LT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 3500 HD | LT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 3500 HD | WT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 3500 HD | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 3500 HD | WT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 3500 HD | WT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 3500 HD | LT | Cab & Chassis | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 3500 HD | WT | Cab & Chassis | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 3500 HD | LT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 3500 HD | LT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 3500 HD | LTZ | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 3500 HD | WT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 3500 HD | LTZ | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 3500 HD | LTZ | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Silverado 3500 HD | LT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Suburban 1500 | LTZ | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Suburban 1500 | LT | Sport Utility | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Suburban 1500 | LT | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Suburban 1500 | LS | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Tahoe | PPV | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Tahoe | SSV | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Tahoe | LT | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Tahoe | LS | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | Chevrolet | Tahoe | LTZ | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 1500 | SLE | Standard Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 1500 | SLE | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 1500 | SL | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 1500 | WT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 1500 | SLT | Extended Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 1500 | SLT | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 1500 | WT | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 1500 | Denali | Crew Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 1500 | WT | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 1500 | WT | Crew Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 1500 | SLT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 1500 | SLT | Crew Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 1500 | WT | Extended Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 1500 | SLE | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 1500 | SLE | Extended Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 1500 | SLE | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 1500 | SLE | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 1500 | SLE | Crew Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 1500 | SLE | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 1500 | SLE | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 1500 | SL | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 1500 | SL | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 1500 | SL | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 1500 | WT | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 1500 | WT | Standard Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 1500 | WT | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 1500 | WT | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 1500 | XFE | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 2500 HD | WT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 2500 HD | SLE | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 2500 HD | SLT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 2500 HD | SLT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 2500 HD | SLE | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 2500 HD | Denali | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 2500 HD | Denali | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 2500 HD | SLE | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 2500 HD | WT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 2500 HD | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 2500 HD | WT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 2500 HD | SLE | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 2500 HD | WT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 2500 HD | SLE | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 2500 HD | SLT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 2500 HD | SLT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 2500 HD | WT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 2500 HD | SLE | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 3500 HD | WT | Cab & Chassis | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 3500 HD | SLE | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 3500 HD | SLE | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 3500 HD | SLT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 3500 HD | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 3500 HD | SLT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 3500 HD | SLE | Cab & Chassis | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 3500 HD | Denali | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 3500 HD | Denali | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 3500 HD | SLT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 3500 HD | WT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 3500 HD | SLE | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 3500 HD | WT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 3500 HD | SLE | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 3500 HD | WT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 3500 HD | SLE | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 3500 HD | SLE | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 3500 HD | WT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 3500 HD | WT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 3500 HD | SLT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 3500 HD | SLE | Cab & Chassis | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Sierra 3500 HD | WT | Cab & Chassis | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Yukon | SLT | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Yukon | Denali | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Yukon | SLE | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Yukon XL 1500 | Denali | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Yukon XL 1500 | SLT | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2013 | GMC | Yukon XL 1500 | SLE | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Cadillac | Escalade | Luxury | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Cadillac | Escalade | Base | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Cadillac | Escalade | Platinum | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Cadillac | Escalade | Premium | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Cadillac | Escalade ESV | Premium | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Cadillac | Escalade ESV | Luxury | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Cadillac | Escalade ESV | Platinum | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Cadillac | Escalade ESV | Base | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 1500 | LT | Standard Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 1500 | WT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 1500 | WT | Extended Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 1500 | WT | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 1500 | WT | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 1500 | WT | Crew Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 1500 | LTZ | Extended Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 1500 | LTZ | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 1500 | LTZ | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 1500 | LT | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 1500 | LT | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 1500 | LS | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 1500 | LS | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 1500 | WT | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 1500 | WT | Standard Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 1500 | WT | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 1500 | XFE | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 1500 | WT | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 1500 | LTZ | Crew Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 1500 | LT | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 1500 | LT | Extended Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 1500 | LT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 1500 | LT | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 1500 | LT | Crew Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 1500 | LT | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 1500 | LS | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 1500 | LS | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 2500 HD | LT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 2500 HD | LT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 2500 HD | WT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 2500 HD | LTZ | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 2500 HD | WT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 2500 HD | WT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 2500 HD | WT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 2500 HD | LT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 2500 HD | LTZ | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 2500 HD | LT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 2500 HD | LTZ | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 2500 HD | LTZ | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 2500 HD | WT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 2500 HD | LT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 2500 HD | LT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 2500 HD | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 3500 HD | LTZ | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 3500 HD | WT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 3500 HD | LTZ | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 3500 HD | WT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 3500 HD | LT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 3500 HD | LT | Cab & Chassis | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 3500 HD | LT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 3500 HD | LT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 3500 HD | LTZ | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 3500 HD | WT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 3500 HD | WT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 3500 HD | LT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 3500 HD | WT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 3500 HD | LT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 3500 HD | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 3500 HD | LT | Cab & Chassis | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 3500 HD | LTZ | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 3500 HD | LT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 3500 HD | WT | Cab & Chassis | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Silverado 3500 HD | WT | Cab & Chassis | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Suburban 1500 | LS | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Suburban 1500 | LT | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Suburban 1500 | LTZ | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Tahoe | LT | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Tahoe | LTZ | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Tahoe | PPV | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Tahoe | LS | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | Chevrolet | Tahoe | SSV | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 1500 | XFE | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 1500 | WT | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 1500 | WT | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 1500 | SLE | Extended Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 1500 | SLE | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 1500 | SLE | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 1500 | WT | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 1500 | SLE | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 1500 | SLE | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 1500 | SL | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 1500 | WT | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 1500 | WT | Extended Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 1500 | WT | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 1500 | SLE | Crew Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 1500 | SL | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 1500 | SL | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 1500 | WT | Standard Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 1500 | WT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 1500 | WT | Crew Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 1500 | SLT | Extended Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 1500 | SLT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 1500 | SLT | Crew Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 1500 | SLT | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 1500 | SLE | Standard Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 1500 | SLE | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 1500 | SLE | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 1500 | SL | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 1500 | Denali | Crew Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 2500 HD | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 2500 HD | Denali | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 2500 HD | SLE | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 2500 HD | SLT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 2500 HD | WT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 2500 HD | SLT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 2500 HD | WT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 2500 HD | SLE | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 2500 HD | WT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 2500 HD | Denali | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 2500 HD | SLT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 2500 HD | SLE | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 2500 HD | WT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 2500 HD | SLE | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 2500 HD | SLE | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 2500 HD | WT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 2500 HD | SLE | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 2500 HD | SLT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 3500 HD | WT | Cab & Chassis | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 3500 HD | WT | Cab & Chassis | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 3500 HD | SLT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 3500 HD | SLE | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 3500 HD | SLT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 3500 HD | WT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 3500 HD | SLE | Cab & Chassis | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 3500 HD | SLT | Cab & Chassis | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 3500 HD | SLT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 3500 HD | WT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 3500 HD | SLT | Cab & Chassis | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 3500 HD | Denali | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 3500 HD | Denali | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 3500 HD | SLE | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 3500 HD | SLE | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 3500 HD | WT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 3500 HD | SLE | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 3500 HD | SLT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 3500 HD | WT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 3500 HD | SLE | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 3500 HD | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 3500 HD | WT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 3500 HD | SLE | Cab & Chassis | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Sierra 3500 HD | SLE | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Yukon | SLE | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Yukon | SLT | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Yukon | Denali | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Yukon XL 1500 | SLT | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Yukon XL 1500 | SLT | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Yukon XL 1500 | SLE | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2012 | GMC | Yukon XL 1500 | Denali | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Cadillac | Escalade | Base | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Cadillac | Escalade | Luxury | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Cadillac | Escalade | Platinum | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Cadillac | Escalade | Premium | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Cadillac | Escalade ESV | Premium | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Cadillac | Escalade ESV | Base | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Cadillac | Escalade ESV | Platinum | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Cadillac | Escalade ESV | Luxury | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 1500 | WT | Crew Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 1500 | LS | Crew Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 1500 | LT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 1500 | WT | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 1500 | WT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 1500 | WT | Extended Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 1500 | WT | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 1500 | LTZ | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 1500 | LT | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 1500 | LT | Extended Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 1500 | LS | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 1500 | LS | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 1500 | XFE | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 1500 | LTZ | Extended Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 1500 | LT | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 1500 | LS | Extended Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 1500 | LT | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 1500 | WT | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 1500 | WT | Standard Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 1500 | WT | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 1500 | WT | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 1500 | LTZ | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 1500 | LTZ | Crew Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 1500 | LT | Standard Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 1500 | LT | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 1500 | LT | Crew Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 1500 | LT | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 1500 | LS | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 1500 | LS | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 2500 HD | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 2500 HD | WT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 2500 HD | LT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 2500 HD | LTZ | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 2500 HD | LT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 2500 HD | LT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 2500 HD | WT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 2500 HD | LT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 2500 HD | LTZ | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 2500 HD | LTZ | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 2500 HD | LT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 2500 HD | WT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 2500 HD | WT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 2500 HD | LTZ | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 2500 HD | LT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 2500 HD | WT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 3500 HD | LTZ | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 3500 HD | LT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 3500 HD | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 3500 HD | LT | Cab & Chassis | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 3500 HD | LT | Cab & Chassis | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 3500 HD | LTZ | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 3500 HD | LT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 3500 HD | LTZ | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 3500 HD | LT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 3500 HD | WT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 3500 HD | LT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 3500 HD | LT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 3500 HD | WT | Cab & Chassis | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 3500 HD | LT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 3500 HD | WT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 3500 HD | WT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 3500 HD | WT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 3500 HD | WT | Cab & Chassis | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 3500 HD | WT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Silverado 3500 HD | LTZ | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Suburban 1500 | LS | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Suburban 1500 | LTZ | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Suburban 1500 | LT | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Tahoe | LTZ | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Tahoe | LT | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | Chevrolet | Tahoe | LS | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 1500 | WT | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 1500 | SL | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 1500 | SL | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 1500 | SL | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 1500 | WT | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 1500 | WT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 1500 | WT | Extended Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 1500 | WT | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 1500 | SLT | Crew Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 1500 | SLT | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 1500 | SLE | Standard Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 1500 | SLE | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 1500 | SLE | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 1500 | SLE | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 1500 | SLE | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 1500 | SL | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 1500 | SLE | Crew Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 1500 | WT | Standard Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 1500 | WT | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 1500 | SLT | Extended Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 1500 | SLT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 1500 | Denali | Crew Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 1500 | XFE | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 1500 | WT | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 1500 | WT | Crew Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 1500 | SLE | Extended Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 1500 | SLE | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 1500 | SLE | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 2500 HD | SLT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 2500 HD | SLE | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 2500 HD | Denali | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 2500 HD | SLT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 2500 HD | WT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 2500 HD | SLE | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 2500 HD | WT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 2500 HD | SLE | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 2500 HD | SLE | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 2500 HD | WT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 2500 HD | Denali | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 2500 HD | SLE | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 2500 HD | WT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 2500 HD | SLE | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 2500 HD | SLT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 2500 HD | SLT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 2500 HD | WT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 2500 HD | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 3500 HD | SLE | Cab & Chassis | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 3500 HD | WT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 3500 HD | SLE | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 3500 HD | WT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 3500 HD | SLT | Cab & Chassis | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 3500 HD | WT | Cab & Chassis | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 3500 HD | SLE | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 3500 HD | SLT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 3500 HD | WT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 3500 HD | WT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 3500 HD | SLE | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 3500 HD | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 3500 HD | SLE | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 3500 HD | SLT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 3500 HD | SLE | Cab & Chassis | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 3500 HD | SLT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 3500 HD | SLE | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 3500 HD | WT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 3500 HD | SLT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 3500 HD | SLT | Cab & Chassis | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 3500 HD | WT | Cab & Chassis | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 3500 HD | Denali | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 3500 HD | Denali | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Sierra 3500 HD | SLE | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Yukon | SLT | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Yukon | Denali | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Yukon | SLE | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Yukon XL 1500 | SLE | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Yukon XL 1500 | SLT | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Yukon XL 1500 | SLT | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2011 | GMC | Yukon XL 1500 | Denali | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Cadillac | Escalade | Platinum | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Cadillac | Escalade | Base | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Cadillac | Escalade ESV | Platinum | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Cadillac | Escalade ESV | Base | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 1500 | LS | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 1500 | LT | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 1500 | LT | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 1500 | WT | Extended Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 1500 | WT | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 1500 | XFE | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 1500 | LT | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 1500 | LTZ | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 1500 | LT | Crew Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 1500 | LT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 1500 | LT | Extended Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 1500 | LTZ | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 1500 | LTZ | Crew Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 1500 | LTZ | Extended Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 1500 | WT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 1500 | WT | Standard Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 1500 | WT | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 1500 | LS | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 1500 | LS | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 1500 | LS | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 1500 | LT | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 1500 | LT | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 1500 | LT | Standard Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 1500 | WT | Crew Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 1500 | WT | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 1500 | WT | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 1500 | WT | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 2500 HD | LTZ | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 2500 HD | LTZ | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 2500 HD | WT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 2500 HD | WT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 2500 HD | LTZ | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 2500 HD | LT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 2500 HD | LT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 2500 HD | LT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 2500 HD | LT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 2500 HD | WT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 2500 HD | WT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 2500 HD | WT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 2500 HD | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 2500 HD | LT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 2500 HD | LT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 2500 HD | LTZ | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 3500 HD | LTZ | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 3500 HD | WT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 3500 HD | LT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 3500 HD | LTZ | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 3500 HD | LT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 3500 HD | WT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 3500 HD | LTZ | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 3500 HD | LT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 3500 HD | WT | Cab & Chassis | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 3500 HD | LT | Cab & Chassis | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 3500 HD | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 3500 HD | LT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 3500 HD | WT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 3500 HD | WT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 3500 HD | LT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 3500 HD | WT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 3500 HD | LTZ | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 3500 HD | LT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 3500 HD | WT | Cab & Chassis | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Silverado 3500 HD | LT | Cab & Chassis | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Suburban 1500 | LS | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Suburban 1500 | LTZ | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Suburban 1500 | LT | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Tahoe | LS | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Tahoe | LTZ | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | Chevrolet | Tahoe | LT | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 1500 | SL | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 1500 | SLE | Extended Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 1500 | SLT | Crew Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 1500 | WT | Extended Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 1500 | WT | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 1500 | WT | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 1500 | SLE | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 1500 | SLE | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 1500 | SLE | Standard Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 1500 | SLT | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 1500 | SLT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 1500 | WT | Crew Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 1500 | WT | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 1500 | WT | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 1500 | XFE | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 1500 | SLT | Extended Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 1500 | SL | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 1500 | SL | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 1500 | SLE | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 1500 | WT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 1500 | Denali | Crew Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 1500 | SL | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 1500 | SLE | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 1500 | SLE | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 1500 | SLE | Crew Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 1500 | SLE | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 1500 | WT | Standard Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 1500 | WT | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 2500 HD | WT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 2500 HD | SLE | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 2500 HD | WT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 2500 HD | SLE | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 2500 HD | WT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 2500 HD | SLE | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 2500 HD | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 2500 HD | SLT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 2500 HD | SLE | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 2500 HD | WT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 2500 HD | SLT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 2500 HD | WT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 2500 HD | SLT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 2500 HD | SLE | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 2500 HD | SLE | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 2500 HD | SLT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 3500 HD | SLE | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 3500 HD | SLT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 3500 HD | WT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 3500 HD | SLE | Cab & Chassis | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 3500 HD | SLE | Cab & Chassis | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 3500 HD | WT | Cab & Chassis | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 3500 HD | WT | Cab & Chassis | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 3500 HD | SLE | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 3500 HD | SLT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 3500 HD | WT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 3500 HD | WT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 3500 HD | SLE | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 3500 HD | SLE | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 3500 HD | SLT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 3500 HD | SLT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 3500 HD | WT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 3500 HD | SLE | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 3500 HD | SLE | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 3500 HD | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Sierra 3500 HD | WT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Yukon | SLE | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Yukon | Denali | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Yukon | SLT | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Yukon XL 1500 | SLT | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Yukon XL 1500 | Denali | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Yukon XL 1500 | SLT | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2010 | GMC | Yukon XL 1500 | SLE | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Cadillac | Escalade | Base | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Cadillac | Escalade | Platinum | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Cadillac | Escalade ESV | Base | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Cadillac | Escalade ESV | Platinum | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 1500 | WT | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 1500 | WT | Standard Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 1500 | WT | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 1500 | WT | Extended Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 1500 | WT | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 1500 | LTZ | Crew Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 1500 | LT | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 1500 | LS | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 1500 | WT | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 1500 | WT | Crew Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 1500 | LTZ | Extended Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 1500 | LTZ | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 1500 | LTZ | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 1500 | LTZ | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 1500 | LT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 1500 | LT | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 1500 | LT | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 1500 | LT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 1500 | LT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 1500 | LT | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 1500 | LT | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 1500 | WT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 1500 | LTZ | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 1500 | LT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 1500 | WT | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 2500 HD | WT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 2500 HD | LT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 2500 HD | LTZ | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 2500 HD | LT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 2500 HD | WT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 2500 HD | LTZ | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 2500 HD | LTZ | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 2500 HD | WT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 2500 HD | LT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 2500 HD | WT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 2500 HD | WT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 2500 HD | LT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 2500 HD | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 2500 HD | LTZ | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 2500 HD | LT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 2500 HD | LT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 3500 HD | LTZ | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 3500 HD | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 3500 HD | LT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 3500 HD | WT | Cab & Chassis | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 3500 HD | LT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 3500 HD | WT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 3500 HD | LT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 3500 HD | WT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 3500 HD | LT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 3500 HD | LT | Cab & Chassis | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 3500 HD | LT | Cab & Chassis | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 3500 HD | WT | Cab & Chassis | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 3500 HD | LT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 3500 HD | LTZ | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 3500 HD | WT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 3500 HD | WT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 3500 HD | LT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 3500 HD | LTZ | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 3500 HD | LTZ | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Silverado 3500 HD | WT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Suburban 1500 | LT | Sport Utility | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Suburban 1500 | LS | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Suburban 1500 | LT | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Suburban 1500 | LTZ | Sport Utility | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Suburban 1500 | LTZ | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Tahoe | LTZ | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Tahoe | LS | Sport Utility | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Tahoe | LS | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Tahoe | LTZ | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Chevrolet | Tahoe | LT | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 1500 | WT | Crew Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 1500 | WT | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 1500 | WT | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 1500 | SLT | Extended Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 1500 | SLT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 1500 | SLT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 1500 | SLT | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 1500 | SLE | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 1500 | SLT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 1500 | SLT | Crew Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 1500 | SLE | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 1500 | SLE | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 1500 | SLE | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 1500 | SL | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 1500 | SLE | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 1500 | Denali | Crew Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 1500 | WT | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 1500 | WT | Standard Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 1500 | WT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 1500 | WT | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 1500 | WT | Extended Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 1500 | WT | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 1500 | SLE | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 1500 | SLE | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 1500 | SLE | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 1500 | SLE | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 2500 HD | SLE | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 2500 HD | SLE | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 2500 HD | SLE | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 2500 HD | WT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 2500 HD | SLE | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 2500 HD | SLT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 2500 HD | WT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 2500 HD | SLT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 2500 HD | WT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 2500 HD | WT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 2500 HD | SLT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 2500 HD | SLT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 2500 HD | SLE | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 2500 HD | WT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 2500 HD | SLE | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 2500 HD | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 3500 HD | SLE | Cab & Chassis | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 3500 HD | WT | Cab & Chassis | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 3500 HD | WT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 3500 HD | SLE | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 3500 HD | WT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 3500 HD | SLE | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 3500 HD | WT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 3500 HD | SLE | Cab & Chassis | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 3500 HD | WT | Cab & Chassis | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 3500 HD | SLT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 3500 HD | WT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 3500 HD | SLE | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 3500 HD | SLT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 3500 HD | WT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 3500 HD | SLE | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 3500 HD | SLE | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 3500 HD | SLT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 3500 HD | SLT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 3500 HD | SLE | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Sierra 3500 HD | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Yukon | SLT | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Yukon | Denali | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Yukon | SLE | Sport Utility | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Yukon | SLE | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Yukon XL 1500 | SLE | Sport Utility | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Yukon XL 1500 | SLT | Sport Utility | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Yukon XL 1500 | SLT | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Yukon XL 1500 | Denali | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | GMC | Yukon XL 1500 | SLE | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2009 | Hummer | H2 | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration | |
| 2009 | Hummer | H2 | Crew Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration | |
| 2008 | Cadillac | Escalade | Platinum | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Cadillac | Escalade | Base | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Cadillac | Escalade ESV | Platinum | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Cadillac | Escalade ESV | Base | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 1500 | LT | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 1500 | WT | Extended Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 1500 | WT | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 1500 | WT | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 1500 | WT | Crew Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 1500 | LT | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 1500 | LT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 1500 | WT | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 1500 | LTZ | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 1500 | LTZ | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 1500 | LTZ | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 1500 | LTZ | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 1500 | LT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 1500 | LT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 1500 | LT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 1500 | WT | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 1500 | WT | Standard Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 1500 | WT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 1500 | WT | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 1500 | LT | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 1500 | LT | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 1500 | LT | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 1500 | LS | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 2500 HD | LT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 2500 HD | WT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 2500 HD | LT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 2500 HD | LTZ | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 2500 HD | LTZ | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 2500 HD | WT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 2500 HD | LT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 2500 HD | LT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 2500 HD | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 2500 HD | WT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 2500 HD | LTZ | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 2500 HD | LTZ | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 2500 HD | WT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 2500 HD | WT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 2500 HD | LT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 2500 HD | LT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 3500 HD | LT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 3500 HD | WT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 3500 HD | LT | Cab & Chassis | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 3500 HD | LT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 3500 HD | LT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 3500 HD | WT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 3500 HD | LT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 3500 HD | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 3500 HD | WT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 3500 HD | WT | Cab & Chassis | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 3500 HD | LT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 3500 HD | LT | Cab & Chassis | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 3500 HD | WT | Cab & Chassis | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 3500 HD | LT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 3500 HD | LTZ | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 3500 HD | LTZ | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 3500 HD | WT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 3500 HD | WT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 3500 HD | LTZ | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Silverado 3500 HD | LTZ | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Suburban 1500 | LT | Sport Utility | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Suburban 1500 | LTZ | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Suburban 1500 | LTZ | Sport Utility | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Suburban 1500 | LS | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Suburban 1500 | LT | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Tahoe | LS | Sport Utility | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Tahoe | LT | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Tahoe | LS | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Tahoe | LTZ | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Chevrolet | Tahoe | LTZ | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 1500 | SLE | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 1500 | WT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 1500 | SL | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 1500 | WT | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 1500 | WT | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 1500 | SLT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 1500 | SLE | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 1500 | SLE | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 1500 | SLE | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 1500 | SLE | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 1500 | Denali | Crew Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 1500 | SLT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 1500 | WT | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 1500 | WT | Standard Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 1500 | WT | Extended Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 1500 | WT | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 1500 | WT | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 1500 | WT | Crew Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 1500 | SLT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 1500 | SLT | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 1500 | SLE | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 1500 | SLE | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 1500 | SLE | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 1500 | SLE | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 1500 | SL | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 2500 HD | WT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 2500 HD | SLE | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 2500 HD | SLT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 2500 HD | SLE | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 2500 HD | WT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 2500 HD | SLE | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 2500 HD | SLT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 2500 HD | WT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 2500 HD | SLE | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 2500 HD | SLT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 2500 HD | WT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 2500 HD | SLE | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 2500 HD | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 2500 HD | SLE | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 2500 HD | WT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 2500 HD | SLT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 3500 HD | WT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 3500 HD | SLE | Cab & Chassis | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 3500 HD | WT | Cab & Chassis | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 3500 HD | SLE | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 3500 HD | SLT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 3500 HD | WT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 3500 HD | SLE | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 3500 HD | SLE | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 3500 HD | SLT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 3500 HD | SLE | Cab & Chassis | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 3500 HD | WT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 3500 HD | SLE | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 3500 HD | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 3500 HD | WT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 3500 HD | WT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 3500 HD | SLE | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 3500 HD | SLT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 3500 HD | SLT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 3500 HD | WT | Cab & Chassis | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Sierra 3500 HD | SLE | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Yukon | SLE | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Yukon | Denali | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Yukon | SLT | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Yukon | SLE | Sport Utility | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Yukon XL 1500 | SLT | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Yukon XL 1500 | SLT | Sport Utility | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Yukon XL 1500 | SLE | Sport Utility | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Yukon XL 1500 | Denali | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | GMC | Yukon XL 1500 | SLE | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2008 | Hummer | H2 | Crew Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration | |
| 2008 | Hummer | H2 | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration | |
| 2007 | Cadillac | Escalade | Base | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Cadillac | Escalade ESV | Base | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 | WT | Extended Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 | LT | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 | LT | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 | LTZ | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 | LTZ | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 | LTZ | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 | LT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 | WT | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 | WT | Standard Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 | WT | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 | LTZ | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 | LT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 | LT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 | LT | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 | LT | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 | WT | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 | WT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 | WT | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 | WT | Crew Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 | LTZ | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 | LTZ | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 | LT | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 | LT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 | WT | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 | LS | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 Classic | LS | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 Classic | LS | Extended Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 Classic | LS | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 Classic | LS | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 Classic | LT | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 Classic | WT | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 Classic | WT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 Classic | LT | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 Classic | LT | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 Classic | LS | Crew Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 Classic | LS | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 Classic | LS | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 Classic | LS | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 Classic | LS | Standard Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 Classic | LT | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 Classic | LT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 Classic | LT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 Classic | LT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 Classic | LT | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 Classic | LT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 Classic | SS | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 Classic | WT | Extended Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 Classic | WT | Standard Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 Classic | WT | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 Classic | WT | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 1500 HD Classic | LT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD | WT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD | LT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD | LTZ | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD | LT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD | WT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD | LT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD | LT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD | LT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD | LTZ | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD | WT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD | WT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD | LTZ | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD | LTZ | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD | LT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD | WT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LS | Crew Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LT | Crew Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD Classic | WT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LS | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LS | Standard Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LT | Standard Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LS | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LS | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LS | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LS | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LS | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LT | Extended Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD Classic | WT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD Classic | WT | Crew Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD Classic | WT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD Classic | WT | Extended Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD Classic | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD Classic | WT | Standard Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LS | Extended Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD Classic | WT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 2500 HD Classic | WT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 3500 Classic | LS | Extended Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | Chevrolet | Silverado 3500 Classic | LS | Extended Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | Chevrolet | Silverado 3500 Classic | WT | Cab & Chassis | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | Chevrolet | Silverado 3500 Classic | LS | Crew Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | Chevrolet | Silverado 3500 Classic | WT | Crew Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | Chevrolet | Silverado 3500 Classic | WT | Crew Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | Chevrolet | Silverado 3500 Classic | LT | Extended Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | Chevrolet | Silverado 3500 Classic | LT | Extended Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | Chevrolet | Silverado 3500 Classic | LS | Cab & Chassis | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | Chevrolet | Silverado 3500 Classic | LS | Cab & Chassis | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | Chevrolet | Silverado 3500 Classic | LT | Cab & Chassis | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | Chevrolet | Silverado 3500 Classic | LT | Cab & Chassis | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | Chevrolet | Silverado 3500 Classic | LS | Crew Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | Chevrolet | Silverado 3500 Classic | LT | Crew Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | Chevrolet | Silverado 3500 Classic | LT | Crew Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | Chevrolet | Silverado 3500 Classic | LT | Crew Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | Chevrolet | Silverado 3500 Classic | WT | Extended Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | Chevrolet | Silverado 3500 Classic | WT | Extended Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | Chevrolet | Silverado 3500 Classic | WT | Extended Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | Chevrolet | Silverado 3500 Classic | LS | Standard Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | Chevrolet | Silverado 3500 Classic | LT | Standard Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | Chevrolet | Silverado 3500 Classic | WT | Standard Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | Chevrolet | Silverado 3500 Classic | LS | Cab & Chassis | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | Chevrolet | Silverado 3500 Classic | LT | Cab & Chassis | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | Chevrolet | Silverado 3500 Classic | WT | Cab & Chassis | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | Chevrolet | Silverado 3500 Classic | WT | Cab & Chassis | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | Chevrolet | Silverado 3500 Classic | LS | Crew Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | Chevrolet | Silverado 3500 Classic | WT | Crew Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | Chevrolet | Silverado 3500 Classic | LS | Extended Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | Chevrolet | Silverado 3500 Classic | LT | Extended Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | Chevrolet | Silverado 3500 Classic | LS | Standard Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | Chevrolet | Silverado 3500 Classic | LS | Standard Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | Chevrolet | Silverado 3500 Classic | LT | Standard Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | Chevrolet | Silverado 3500 Classic | LT | Standard Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | Chevrolet | Silverado 3500 Classic | WT | Standard Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | Chevrolet | Silverado 3500 Classic | WT | Standard Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | Chevrolet | Silverado 3500 HD | WT | Cab & Chassis | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 3500 HD | LT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 3500 HD | WT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 3500 HD | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 3500 HD | LT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 3500 HD | LT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 3500 HD | WT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 3500 HD | LTZ | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 3500 HD | LTZ | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 3500 HD | WT | Cab & Chassis | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 3500 HD | LTZ | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 3500 HD | WT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 3500 HD | LT | Cab & Chassis | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 3500 HD | WT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 3500 HD | LT | Cab & Chassis | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 3500 HD | LT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 3500 HD | LT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 3500 HD | LTZ | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 3500 HD | WT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Silverado 3500 HD | LT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Suburban 1500 | LS | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Suburban 1500 | LT | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Suburban 1500 | LTZ | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Suburban 1500 | LTZ | Sport Utility | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Suburban 1500 | Z71 | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Suburban 1500 | LT | Sport Utility | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Tahoe | LS | Sport Utility | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Tahoe | LT | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Tahoe | LS | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Chevrolet | Tahoe | LTZ | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 | SLE | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 | SLE | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 | WT | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 | SL | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 | WT | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 | SLE | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 | SLE | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 | WT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 | WT | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 | SLT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 | SLT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 | SLT | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 | SLE | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 | SLE | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 | SLE | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 | SLE | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 | SL | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 | Denali | Crew Cab Pickup | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 | WT | Standard Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 | WT | Crew Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 | WT | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 | WT | Extended Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 | SLT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 | SLE | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 | WT | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 Classic | SLE | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 Classic | SLE | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 Classic | Denali | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 Classic | SL | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 Classic | SLE | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 Classic | SLT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 Classic | SL | Extended Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 Classic | SL | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 Classic | SLE | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 Classic | SLE | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 Classic | SLE | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 Classic | SLT | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 Classic | SLT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 Classic | SLT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 Classic | WT | Extended Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 Classic | WT | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 Classic | WT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 Classic | WT | Standard Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 Classic | WT | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 Classic | WT | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 Classic | SL | Crew Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 Classic | SL | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 Classic | SL | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 Classic | SLE | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 Classic | SLE | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 Classic | SL | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 Classic | SL | Standard Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 Classic | SL | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 Classic | SLE | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 HD Classic | SLT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 1500 HD Classic | SLE | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD | SLT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD | WT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD | WT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD | SLE | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD | SLE | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD | SLE | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD | SLE | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD | SLE | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD | WT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD | SLT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD | SLE | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD | WT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD | SLT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD | SLT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD | WT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD Classic | SL | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD Classic | SL | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD Classic | SLE | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD Classic | SLE | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD Classic | WT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD Classic | WT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD Classic | WT | Extended Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD Classic | SL | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD Classic | SL | Extended Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD Classic | SL | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD Classic | SL | Standard Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD Classic | SLE | Crew Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD Classic | SLE | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD Classic | SLE | Extended Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD Classic | SLT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD Classic | SLT | Crew Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD Classic | SLT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD Classic | SLT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD Classic | SLT | Extended Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD Classic | WT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD Classic | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD Classic | WT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD Classic | WT | Standard Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD Classic | SL | Crew Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD Classic | SL | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD Classic | SL | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD Classic | SLE | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD Classic | SLE | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD Classic | SLE | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD Classic | SLE | Standard Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD Classic | SLT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD Classic | WT | Crew Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 2500 HD Classic | WT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 3500 Classic | SLE | Cab & Chassis | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | GMC | Sierra 3500 Classic | SL | Crew Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | GMC | Sierra 3500 Classic | SL | Crew Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | GMC | Sierra 3500 Classic | SLE | Crew Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | GMC | Sierra 3500 Classic | SLT | Crew Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | GMC | Sierra 3500 Classic | WT | Crew Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | GMC | Sierra 3500 Classic | SL | Extended Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | GMC | Sierra 3500 Classic | SLT | Extended Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | GMC | Sierra 3500 Classic | WT | Extended Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | GMC | Sierra 3500 Classic | WT | Extended Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | GMC | Sierra 3500 Classic | SLE | Standard Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | GMC | Sierra 3500 Classic | WT | Standard Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | GMC | Sierra 3500 Classic | SL | Cab & Chassis | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | GMC | Sierra 3500 Classic | SL | Cab & Chassis | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | GMC | Sierra 3500 Classic | SL | Cab & Chassis | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | GMC | Sierra 3500 Classic | SLE | Cab & Chassis | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | GMC | Sierra 3500 Classic | SLE | Cab & Chassis | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | GMC | Sierra 3500 Classic | WT | Cab & Chassis | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | GMC | Sierra 3500 Classic | WT | Cab & Chassis | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | GMC | Sierra 3500 Classic | WT | Cab & Chassis | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | GMC | Sierra 3500 Classic | SL | Crew Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | GMC | Sierra 3500 Classic | SLE | Crew Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | GMC | Sierra 3500 Classic | SLE | Crew Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | GMC | Sierra 3500 Classic | SLT | Crew Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | GMC | Sierra 3500 Classic | SLT | Crew Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | GMC | Sierra 3500 Classic | WT | Crew Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | GMC | Sierra 3500 Classic | WT | Crew Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | GMC | Sierra 3500 Classic | SL | Extended Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | GMC | Sierra 3500 Classic | SL | Extended Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | GMC | Sierra 3500 Classic | SLE | Extended Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | GMC | Sierra 3500 Classic | SLE | Extended Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | GMC | Sierra 3500 Classic | SLE | Extended Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | GMC | Sierra 3500 Classic | SLT | Extended Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | GMC | Sierra 3500 Classic | SLT | Extended Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | GMC | Sierra 3500 Classic | WT | Extended Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | GMC | Sierra 3500 Classic | SL | Standard Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | GMC | Sierra 3500 Classic | SL | Standard Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | GMC | Sierra 3500 Classic | SL | Standard Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | GMC | Sierra 3500 Classic | SLE | Standard Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | GMC | Sierra 3500 Classic | SLE | Standard Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | GMC | Sierra 3500 Classic | WT | Standard Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | GMC | Sierra 3500 Classic | WT | Standard Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2007 | GMC | Sierra 3500 HD | SLE | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 3500 HD | SLE | Cab & Chassis | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 3500 HD | SLE | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 3500 HD | SLT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 3500 HD | WT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 3500 HD | SLT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 3500 HD | WT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 3500 HD | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 3500 HD | SLT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 3500 HD | WT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 3500 HD | SLE | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 3500 HD | SLE | Cab & Chassis | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 3500 HD | WT | Cab & Chassis | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 3500 HD | WT | Cab & Chassis | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 3500 HD | SLE | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 3500 HD | SLT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 3500 HD | WT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 3500 HD | SLE | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 3500 HD | SLE | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Sierra 3500 HD | WT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Yukon | SLE | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Yukon | SLT | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Yukon | Denali | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Yukon | SLE | Sport Utility | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Yukon XL 1500 | SLE | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Yukon XL 1500 | SLT | Sport Utility | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Yukon XL 1500 | Denali | Sport Utility | 6.2L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Yukon XL 1500 | SLT | Sport Utility | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | GMC | Yukon XL 1500 | SLE | Sport Utility | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2007 | Hummer | H2 | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration | |
| 2007 | Hummer | H2 | Sport Utility | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration | |
| 2006 | Cadillac | Escalade | Sport Utility | 6.0L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow | |
| 2006 | Cadillac | Escalade EXT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration | |
| 2006 | Chevrolet | Avalanche 1500 | Base | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Avalanche 1500 | LS | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Avalanche 1500 | LT | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Avalanche 1500 | Z71 | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Avalanche 1500 | Z66 | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Avalanche 2500 | LT | Crew Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Avalanche 2500 | LS | Crew Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 1500 | SS | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 1500 | LS | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 1500 | LT | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 1500 | LS | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 1500 | WT | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 1500 | LT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 1500 | LT | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 1500 | LT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 1500 | LT | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 1500 | LT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 1500 | LT | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 1500 | LS | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 1500 | LS | Standard Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 1500 | LS | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 1500 | LS | Extended Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 1500 | LS | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 1500 | Base | Standard Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 1500 | WT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 1500 | WT | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 1500 | LT | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 1500 | LT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 1500 | LS | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 1500 | LS | Crew Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 1500 | WT | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 1500 | WT | Standard Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 1500 | WT | Extended Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 1500 HD | LT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 2500 | Base | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 2500 HD | WT | Standard Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 2500 HD | WT | Crew Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 2500 HD | WT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 2500 HD | LT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 2500 HD | LT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 2500 HD | LS | Extended Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 2500 HD | LS | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 2500 HD | LS | Crew Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 2500 HD | WT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 2500 HD | LS | Standard Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 2500 HD | LS | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 2500 HD | LS | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 2500 HD | WT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 2500 HD | WT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 2500 HD | LT | Extended Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 2500 HD | LS | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 2500 HD | LT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 2500 HD | LT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 2500 HD | LS | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 2500 HD | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 2500 HD | WT | Extended Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 2500 HD | WT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 2500 HD | LT | Crew Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 2500 HD | LS | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | Chevrolet | Silverado 3500 | LS | Standard Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | Chevrolet | Silverado 3500 | LS | Standard Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | Chevrolet | Silverado 3500 | WT | Extended Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | Chevrolet | Silverado 3500 | WT | Crew Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | Chevrolet | Silverado 3500 | LT | Crew Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | Chevrolet | Silverado 3500 | WT | Cab & Chassis | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | Chevrolet | Silverado 3500 | LT | Extended Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | Chevrolet | Silverado 3500 | WT | Cab & Chassis | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | Chevrolet | Silverado 3500 | LS | Cab & Chassis | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | Chevrolet | Silverado 3500 | LS | Extended Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | Chevrolet | Silverado 3500 | WT | Standard Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | Chevrolet | Silverado 3500 | WT | Standard Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | Chevrolet | Silverado 3500 | WT | Standard Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | Chevrolet | Silverado 3500 | LS | Standard Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | Chevrolet | Silverado 3500 | WT | Extended Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | Chevrolet | Silverado 3500 | WT | Extended Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | Chevrolet | Silverado 3500 | LT | Extended Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | Chevrolet | Silverado 3500 | LT | Extended Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | Chevrolet | Silverado 3500 | LS | Extended Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | Chevrolet | Silverado 3500 | LS | Extended Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | Chevrolet | Silverado 3500 | WT | Crew Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | Chevrolet | Silverado 3500 | WT | Crew Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | Chevrolet | Silverado 3500 | LT | Crew Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | Chevrolet | Silverado 3500 | LT | Crew Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | Chevrolet | Silverado 3500 | LS | Crew Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | Chevrolet | Silverado 3500 | LS | Crew Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | Chevrolet | Silverado 3500 | LS | Crew Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | Chevrolet | Silverado 3500 | WT | Cab & Chassis | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | Chevrolet | Silverado 3500 | LT | Cab & Chassis | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | Chevrolet | Silverado 3500 | LT | Cab & Chassis | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | Chevrolet | Silverado 3500 | LT | Cab & Chassis | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | Chevrolet | Silverado 3500 | LS | Cab & Chassis | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | Chevrolet | Silverado 3500 | LS | Cab & Chassis | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | Chevrolet | Suburban 1500 | LT | Sport Utility | 5.3L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2006 | Chevrolet | Suburban 1500 | LS | Sport Utility | 5.3L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2006 | Chevrolet | Suburban 1500 | Base | Sport Utility | 5.3L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2006 | Chevrolet | Suburban 1500 | LTZ | Sport Utility | 6.0L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2006 | Chevrolet | Suburban 1500 | Z71 | Sport Utility | 5.3L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2006 | Chevrolet | Suburban 2500 | LT | Sport Utility | 8.1L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2006 | Chevrolet | Suburban 2500 | LS | Sport Utility | 6.0L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2006 | Chevrolet | Suburban 2500 | LT | Sport Utility | 6.0L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2006 | Chevrolet | Suburban 2500 | LS | Sport Utility | 8.1L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2006 | Chevrolet | Tahoe | Base | Sport Utility | 4.8L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2006 | Chevrolet | Tahoe | LT | Sport Utility | 5.3L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2006 | Chevrolet | Tahoe | Base | Sport Utility | 5.3L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2006 | Chevrolet | Tahoe | Z71 | Sport Utility | 5.3L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2006 | Chevrolet | Tahoe | LS | Sport Utility | 5.3L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2006 | Chevrolet | Tahoe | LS | Sport Utility | 4.8L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2006 | GMC | Sierra 1500 | SLE | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 1500 | SLE | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 1500 | SLE | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 1500 | WT | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 1500 | WT | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 1500 | SL | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 1500 | SL | Crew Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 1500 | SL | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 1500 | SL | Standard Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 1500 | SL | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 1500 | SL | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 1500 | SL | Extended Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 1500 | SL | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 1500 | SLE | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 1500 | SLE | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 1500 | SLE | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 1500 | SLE | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 1500 | SLT | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 1500 | SLT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 1500 | SLT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 1500 | SLT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 1500 | WT | Extended Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 1500 | WT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 1500 | WT | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 1500 | Denali | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 1500 | SL | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 1500 | SLE | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 1500 | SLE | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 1500 | WT | Standard Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 1500 HD | SLE | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 1500 HD | SLT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 2500 HD | WT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 2500 HD | SL | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 2500 HD | WT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 2500 HD | WT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 2500 HD | SLE | Extended Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 2500 HD | SLE | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 2500 HD | SLT | Extended Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 2500 HD | SLT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 2500 HD | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 2500 HD | WT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 2500 HD | SLT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 2500 HD | SLE | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 2500 HD | SL | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 2500 HD | WT | Standard Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 2500 HD | SLE | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 2500 HD | SL | Standard Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 2500 HD | SL | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 2500 HD | WT | Extended Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 2500 HD | SL | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 2500 HD | SLT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 2500 HD | SLT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 2500 HD | SLE | Crew Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 2500 HD | SLE | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 2500 HD | SL | Crew Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 2500 HD | SL | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 2500 HD | SL | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 2500 HD | SLE | Standard Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 2500 HD | SLE | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 2500 HD | SL | Extended Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 2500 HD | WT | Crew Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 2500 HD | WT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 2500 HD | SLT | Crew Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 2500 HD | SLE | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2006 | GMC | Sierra 3500 | SLE | Extended Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | GMC | Sierra 3500 | SLT | Crew Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | GMC | Sierra 3500 | SLE | Crew Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | GMC | Sierra 3500 | SL | Crew Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | GMC | Sierra 3500 | WT | Cab & Chassis | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | GMC | Sierra 3500 | SL | Extended Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | GMC | Sierra 3500 | WT | Standard Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | GMC | Sierra 3500 | SLE | Standard Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | GMC | Sierra 3500 | SL | Standard Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | GMC | Sierra 3500 | SL | Standard Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | GMC | Sierra 3500 | SLT | Extended Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | GMC | Sierra 3500 | SLT | Extended Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | GMC | Sierra 3500 | SLE | Extended Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | GMC | Sierra 3500 | SL | Extended Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | GMC | Sierra 3500 | WT | Crew Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | GMC | Sierra 3500 | SLE | Crew Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | GMC | Sierra 3500 | SL | Crew Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | GMC | Sierra 3500 | SLE | Cab & Chassis | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | GMC | Sierra 3500 | SL | Cab & Chassis | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | GMC | Sierra 3500 | WT | Standard Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | GMC | Sierra 3500 | WT | Extended Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | GMC | Sierra 3500 | SLE | Extended Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | GMC | Sierra 3500 | SL | Extended Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | GMC | Sierra 3500 | WT | Crew Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | GMC | Sierra 3500 | SLE | Crew Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | GMC | Sierra 3500 | WT | Cab & Chassis | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | GMC | Sierra 3500 | SL | Cab & Chassis | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | GMC | Sierra 3500 | SL | Cab & Chassis | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | GMC | Sierra 3500 | WT | Standard Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | GMC | Sierra 3500 | SLE | Standard Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | GMC | Sierra 3500 | SLE | Standard Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | GMC | Sierra 3500 | SL | Standard Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | GMC | Sierra 3500 | WT | Extended Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | GMC | Sierra 3500 | WT | Extended Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | GMC | Sierra 3500 | SLT | Extended Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | GMC | Sierra 3500 | WT | Crew Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | GMC | Sierra 3500 | SLT | Crew Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | GMC | Sierra 3500 | SLT | Crew Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | GMC | Sierra 3500 | SL | Crew Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | GMC | Sierra 3500 | WT | Cab & Chassis | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | GMC | Sierra 3500 | SLE | Cab & Chassis | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | GMC | Sierra 3500 | SLE | Cab & Chassis | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2006 | GMC | Yukon | Denali | Sport Utility | 6.0L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2006 | GMC | Yukon | SLE | Sport Utility | 5.3L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2006 | GMC | Yukon | SL | Sport Utility | 4.8L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2006 | GMC | Yukon | SLT | Sport Utility | 5.3L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2006 | GMC | Yukon | SLE | Sport Utility | 4.8L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2006 | GMC | Yukon | SL | Sport Utility | 5.3L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2006 | GMC | Yukon XL 1500 | Denali | Sport Utility | 6.0L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2006 | GMC | Yukon XL 1500 | SLE | Sport Utility | 5.3L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2006 | GMC | Yukon XL 1500 | SLT | Sport Utility | 5.3L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2006 | GMC | Yukon XL 1500 | SL | Sport Utility | 5.3L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2006 | GMC | Yukon XL 2500 | SLE | Sport Utility | 6.0L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2006 | GMC | Yukon XL 2500 | SLE | Sport Utility | 8.1L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2006 | GMC | Yukon XL 2500 | SLT | Sport Utility | 8.1L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2006 | GMC | Yukon XL 2500 | SLT | Sport Utility | 6.0L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2006 | Hummer | H2 | Sport Utility | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration | |
| 2006 | Hummer | H2 | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration | |
| 2005 | Cadillac | Escalade | Sport Utility | 5.3L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow | |
| 2005 | Cadillac | Escalade | Sport Utility | 6.0L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow | |
| 2005 | Cadillac | Escalade EXT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration | |
| 2005 | Chevrolet | Avalanche 1500 | Z71 | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Avalanche 1500 | Base | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Avalanche 1500 | LS | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Avalanche 1500 | LT | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Avalanche 1500 | Z66 | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Avalanche 2500 | LS | Crew Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Avalanche 2500 | LT | Crew Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 1500 | LS | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 1500 | LS | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 1500 | Base | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 1500 | Base | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 1500 | Base | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 1500 | Base | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 1500 | WT | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 1500 | WT | Extended Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 1500 | LT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 1500 | LT | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 1500 | LT | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 1500 | LT | Crew Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 1500 | LS | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 1500 | LS | Extended Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 1500 | Base | Extended Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 1500 | WT | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 1500 | LT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 1500 | LT | Extended Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 1500 | LS | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 1500 | LS | Crew Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 1500 | Base | Standard Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 1500 | WT | Standard Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 1500 | WT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 1500 | WT | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 1500 | SS | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 1500 | LT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 1500 | LT | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 1500 | LS | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 1500 | LS | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 1500 | LS | Standard Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 1500 | LS | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 1500 | LS | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 1500 | LS | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 1500 HD | LT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 1500 HD | Base | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 1500 HD | LS | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 2500 | Base | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 2500 HD | LT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 2500 HD | WT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 2500 HD | Base | Extended Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 2500 HD | LS | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 2500 HD | Base | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 2500 HD | Base | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 2500 HD | Base | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 2500 HD | LS | Extended Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 2500 HD | LT | Extended Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 2500 HD | WT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 2500 HD | LS | Standard Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 2500 HD | WT | Standard Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 2500 HD | LS | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 2500 HD | Base | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 2500 HD | Base | Crew Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 2500 HD | LS | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 2500 HD | LS | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 2500 HD | LS | Crew Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 2500 HD | WT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 2500 HD | WT | Crew Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 2500 HD | LS | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 2500 HD | LT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 2500 HD | Base | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 2500 HD | Base | Standard Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 2500 HD | LS | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 2500 HD | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 2500 HD | LT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 2500 HD | LT | Crew Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 2500 HD | LT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 2500 HD | WT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 2500 HD | WT | Extended Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 2500 HD | Base | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 2500 HD | WT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | Chevrolet | Silverado 3500 | LS | Standard Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | Chevrolet | Silverado 3500 | Base | Standard Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | Chevrolet | Silverado 3500 | LT | Extended Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | Chevrolet | Silverado 3500 | LT | Extended Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | Chevrolet | Silverado 3500 | LS | Extended Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | Chevrolet | Silverado 3500 | Base | Extended Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | Chevrolet | Silverado 3500 | LS | Crew Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | Chevrolet | Silverado 3500 | LS | Crew Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | Chevrolet | Silverado 3500 | Base | Crew Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | Chevrolet | Silverado 3500 | LS | Cab & Chassis | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | Chevrolet | Silverado 3500 | Base | Cab & Chassis | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | Chevrolet | Silverado 3500 | Base | Cab & Chassis | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | Chevrolet | Silverado 3500 | LS | Standard Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | Chevrolet | Silverado 3500 | LS | Standard Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | Chevrolet | Silverado 3500 | Base | Cab & Chassis | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | Chevrolet | Silverado 3500 | LS | Extended Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | Chevrolet | Silverado 3500 | Base | Extended Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | Chevrolet | Silverado 3500 | LT | Crew Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | Chevrolet | Silverado 3500 | LT | Crew Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | Chevrolet | Silverado 3500 | LT | Crew Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | Chevrolet | Silverado 3500 | LS | Crew Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | Chevrolet | Silverado 3500 | Base | Crew Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | Chevrolet | Silverado 3500 | Base | Crew Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | Chevrolet | Silverado 3500 | LS | Cab & Chassis | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | Chevrolet | Silverado 3500 | LS | Cab & Chassis | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | Chevrolet | Silverado 3500 | Base | Standard Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | Chevrolet | Silverado 3500 | Base | Standard Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | Chevrolet | Silverado 3500 | LT | Extended Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | Chevrolet | Silverado 3500 | LS | Extended Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | Chevrolet | Silverado 3500 | Base | Extended Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | Chevrolet | Suburban 1500 | Base | Sport Utility | 5.3L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2005 | Chevrolet | Suburban 1500 | LT | Sport Utility | 5.3L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2005 | Chevrolet | Suburban 1500 | Z71 | Sport Utility | 5.3L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2005 | Chevrolet | Suburban 1500 | LS | Sport Utility | 5.3L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2005 | Chevrolet | Suburban 2500 | LS | Sport Utility | 8.1L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2005 | Chevrolet | Suburban 2500 | LT | Sport Utility | 8.1L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2005 | Chevrolet | Suburban 2500 | LS | Sport Utility | 6.0L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2005 | Chevrolet | Suburban 2500 | LT | Sport Utility | 6.0L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2005 | Chevrolet | Tahoe | LS | Sport Utility | 4.8L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2005 | Chevrolet | Tahoe | LT | Sport Utility | 5.3L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2005 | Chevrolet | Tahoe | Z71 | Sport Utility | 5.3L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2005 | Chevrolet | Tahoe | LS | Sport Utility | 5.3L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2005 | GMC | Sierra 1500 | Base | Extended Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 1500 | SLT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 1500 | WT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 1500 | SLE | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 1500 | SLE | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 1500 | Base | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 1500 | Base | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 1500 | WT | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 1500 | WT | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 1500 | WT | Standard Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 1500 | WT | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 1500 | SLT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 1500 | SLT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 1500 | SLE | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 1500 | SLE | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 1500 | SLE | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 1500 | SLE | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 1500 | SLE | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 1500 | Denali | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 1500 | Base | Standard Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 1500 | Base | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 1500 | WT | Extended Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 1500 | SLT | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 1500 | SLE | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 1500 | SLE | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 1500 | Base | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 1500 HD | SLE | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 1500 HD | SLT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 2500 HD | WT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 2500 HD | Base | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 2500 HD | SLE | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 2500 HD | Base | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 2500 HD | SLE | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 2500 HD | SLT | Extended Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 2500 HD | SLT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 2500 HD | Base | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 2500 HD | WT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 2500 HD | SLE | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 2500 HD | WT | Standard Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 2500 HD | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 2500 HD | SLE | Standard Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 2500 HD | SLE | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 2500 HD | Base | Standard Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 2500 HD | Base | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 2500 HD | Base | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 2500 HD | WT | Extended Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 2500 HD | WT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 2500 HD | SLT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 2500 HD | SLE | Extended Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 2500 HD | SLE | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 2500 HD | Base | Extended Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 2500 HD | Base | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 2500 HD | WT | Crew Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 2500 HD | WT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 2500 HD | WT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 2500 HD | SLT | Crew Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 2500 HD | SLT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 2500 HD | SLT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 2500 HD | SLE | Crew Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 2500 HD | SLE | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 2500 HD | Base | Crew Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2005 | GMC | Sierra 3500 | SLT | Extended Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | GMC | Sierra 3500 | SLE | Extended Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | GMC | Sierra 3500 | WT | Crew Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | GMC | Sierra 3500 | Base | Crew Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | GMC | Sierra 3500 | Base | Cab & Chassis | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | GMC | Sierra 3500 | WT | Standard Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | GMC | Sierra 3500 | WT | Standard Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | GMC | Sierra 3500 | SLE | Standard Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | GMC | Sierra 3500 | Base | Standard Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | GMC | Sierra 3500 | Base | Standard Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | GMC | Sierra 3500 | WT | Extended Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | GMC | Sierra 3500 | WT | Extended Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | GMC | Sierra 3500 | SLT | Extended Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | GMC | Sierra 3500 | SLE | Extended Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | GMC | Sierra 3500 | SLE | Extended Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | GMC | Sierra 3500 | Base | Extended Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | GMC | Sierra 3500 | Base | Cab & Chassis | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | GMC | Sierra 3500 | Base | Extended Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | GMC | Sierra 3500 | WT | Crew Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | GMC | Sierra 3500 | WT | Crew Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | GMC | Sierra 3500 | SLT | Crew Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | GMC | Sierra 3500 | SLE | Crew Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | GMC | Sierra 3500 | SLE | Crew Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | GMC | Sierra 3500 | Base | Crew Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | GMC | Sierra 3500 | WT | Cab & Chassis | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | GMC | Sierra 3500 | WT | Cab & Chassis | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | GMC | Sierra 3500 | SLE | Cab & Chassis | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | GMC | Sierra 3500 | SLE | Cab & Chassis | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | GMC | Sierra 3500 | Base | Cab & Chassis | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | GMC | Sierra 3500 | SLT | Extended Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | GMC | Sierra 3500 | Base | Crew Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | GMC | Sierra 3500 | SLE | Cab & Chassis | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | GMC | Sierra 3500 | WT | Standard Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | GMC | Sierra 3500 | SLE | Standard Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | GMC | Sierra 3500 | SLE | Standard Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | GMC | Sierra 3500 | Base | Standard Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | GMC | Sierra 3500 | WT | Extended Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | GMC | Sierra 3500 | Base | Extended Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | GMC | Sierra 3500 | SLT | Crew Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | GMC | Sierra 3500 | SLT | Crew Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | GMC | Sierra 3500 | SLE | Crew Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | GMC | Sierra 3500 | WT | Cab & Chassis | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2005 | GMC | Yukon | SLT | Sport Utility | 5.3L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2005 | GMC | Yukon | SLE | Sport Utility | 5.3L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2005 | GMC | Yukon | SLE | Sport Utility | 4.8L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2005 | GMC | Yukon | SLT | Sport Utility | 4.8L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2005 | GMC | Yukon | Denali | Sport Utility | 6.0L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2005 | GMC | Yukon XL 1500 | SLT | Sport Utility | 5.3L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2005 | GMC | Yukon XL 1500 | Denali | Sport Utility | 6.0L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2005 | GMC | Yukon XL 1500 | SLE | Sport Utility | 5.3L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2005 | GMC | Yukon XL 2500 | SLT | Sport Utility | 6.0L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2005 | GMC | Yukon XL 2500 | SLE | Sport Utility | 6.0L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2005 | GMC | Yukon XL 2500 | SLE | Sport Utility | 8.1L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2005 | GMC | Yukon XL 2500 | SLT | Sport Utility | 8.1L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2005 | Hummer | H2 | Sport Utility | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration | |
| 2005 | Hummer | H2 | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration | |
| 2004 | Cadillac | Escalade | Sport Utility | 5.3L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow | |
| 2004 | Cadillac | Escalade | Sport Utility | 6.0L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow | |
| 2004 | Cadillac | Escalade EXT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration | |
| 2004 | Chevrolet | Avalanche 1500 | Z66 | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Avalanche 1500 | Base | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Avalanche 1500 | Z71 | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Avalanche 2500 | Base | Crew Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 1500 | WT | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 1500 | Base | Standard Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 1500 | LS | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 1500 | LT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 1500 | LT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 1500 | Base | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 1500 | LS | Crew Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 1500 | LS | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 1500 | LS | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 1500 | LS | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 1500 | LT | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 1500 | LT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 1500 | SS | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 1500 | WT | Standard Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 1500 | Z71 | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 1500 | Base | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 1500 | LS | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 1500 | Base | Extended Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 1500 | Base | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 1500 | Base | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 1500 | LS | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 1500 | LS | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 1500 | LS | Standard Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 1500 | LT | Extended Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 1500 | LT | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 1500 | WT | Extended Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 1500 | Z71 | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 1500 | Z71 | Extended Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 1500 | Z71 | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 1500 | Z71 | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 1500 | Z71 | Standard Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 1500 | LS | Extended Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 1500 | LS | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 1500 | LS | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 1500 | LT | Crew Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 1500 | LT | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 1500 | WT | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 1500 | WT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 1500 | WT | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 1500 | Z71 | Crew Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 1500 | Z71 | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 1500 | Z71 | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 | LT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 | Base | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 | LS | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 | Base | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 | LS | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 | LT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 | WT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 | LS | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 | Base | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 HD | LS | Extended Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 HD | LT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 HD | Base | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 HD | Base | Extended Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 HD | LS | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 HD | LT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 HD | LT | Extended Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 HD | WT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 HD | WT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 HD | Base | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 HD | Base | Standard Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 HD | LS | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 HD | LS | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 HD | LS | Standard Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 HD | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 HD | WT | Standard Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 HD | WT | Standard Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 HD | Base | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 HD | Base | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 HD | Base | Crew Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 HD | LS | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 HD | LS | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 HD | LT | Crew Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 HD | WT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 HD | WT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 HD | WT | Crew Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 HD | Base | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 HD | Base | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 HD | LS | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 HD | WT | Extended Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 HD | LS | Crew Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 HD | LT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 2500 HD | LT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | Chevrolet | Silverado 3500 | Base | Cab & Chassis | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2004 | Chevrolet | Silverado 3500 | WT | Crew Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2004 | Chevrolet | Silverado 3500 | Base | Extended Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2004 | Chevrolet | Silverado 3500 | LS | Extended Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2004 | Chevrolet | Silverado 3500 | LT | Extended Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2004 | Chevrolet | Silverado 3500 | WT | Extended Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2004 | Chevrolet | Silverado 3500 | Base | Cab & Chassis | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2004 | Chevrolet | Silverado 3500 | Base | Cab & Chassis | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2004 | Chevrolet | Silverado 3500 | LS | Cab & Chassis | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2004 | Chevrolet | Silverado 3500 | LS | Cab & Chassis | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2004 | Chevrolet | Silverado 3500 | LS | Cab & Chassis | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2004 | Chevrolet | Silverado 3500 | WT | Cab & Chassis | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2004 | Chevrolet | Silverado 3500 | WT | Cab & Chassis | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2004 | Chevrolet | Silverado 3500 | Base | Crew Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2004 | Chevrolet | Silverado 3500 | LS | Crew Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2004 | Chevrolet | Silverado 3500 | LS | Crew Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2004 | Chevrolet | Silverado 3500 | LT | Crew Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2004 | Chevrolet | Silverado 3500 | LT | Crew Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2004 | Chevrolet | Silverado 3500 | WT | Crew Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2004 | Chevrolet | Silverado 3500 | Base | Extended Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2004 | Chevrolet | Silverado 3500 | LS | Extended Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2004 | Chevrolet | Silverado 3500 | LS | Extended Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2004 | Chevrolet | Silverado 3500 | LT | Extended Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2004 | Chevrolet | Silverado 3500 | LT | Extended Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2004 | Chevrolet | Silverado 3500 | WT | Extended Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2004 | Chevrolet | Silverado 3500 | Base | Standard Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2004 | Chevrolet | Silverado 3500 | Base | Standard Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2004 | Chevrolet | Silverado 3500 | LS | Standard Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2004 | Chevrolet | Silverado 3500 | LS | Standard Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2004 | Chevrolet | Silverado 3500 | WT | Standard Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2004 | Chevrolet | Silverado 3500 | WT | Standard Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2004 | Chevrolet | Silverado 3500 | WT | Crew Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2004 | Chevrolet | Silverado 3500 | WT | Cab & Chassis | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2004 | Chevrolet | Silverado 3500 | Base | Crew Cab Pickup | 6.0L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2004 | Chevrolet | Silverado 3500 | Base | Crew Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2004 | Chevrolet | Silverado 3500 | LS | Crew Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2004 | Chevrolet | Silverado 3500 | LT | Crew Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2004 | Chevrolet | Silverado 3500 | Base | Extended Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2004 | Chevrolet | Silverado 3500 | WT | Extended Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2004 | Chevrolet | Silverado 3500 | Base | Standard Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2004 | Chevrolet | Silverado 3500 | LS | Standard Cab Pickup | 8.1L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2004 | Chevrolet | Silverado 3500 | WT | Standard Cab Pickup | 6.6L | V8 | N/A | w/o Ambulance Pkg; Configuration: Parallel Flow |
| 2004 | Chevrolet | Suburban 1500 | LS | Sport Utility | 5.3L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2004 | Chevrolet | Suburban 1500 | LT | Sport Utility | 5.3L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2004 | Chevrolet | Suburban 1500 | Z71 | Sport Utility | 5.3L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2004 | Chevrolet | Suburban 1500 | Base | Sport Utility | 5.3L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2004 | Chevrolet | Suburban 2500 | LT | Sport Utility | 6.0L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2004 | Chevrolet | Suburban 2500 | LS | Sport Utility | 8.1L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2004 | Chevrolet | Suburban 2500 | LT | Sport Utility | 8.1L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2004 | Chevrolet | Suburban 2500 | LS | Sport Utility | 6.0L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2004 | Chevrolet | Tahoe | LS | Sport Utility | 4.8L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2004 | Chevrolet | Tahoe | Z71 | Sport Utility | 4.8L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2004 | Chevrolet | Tahoe | LS | Sport Utility | 5.3L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2004 | Chevrolet | Tahoe | Z71 | Sport Utility | 5.3L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2004 | Chevrolet | Tahoe | LT | Sport Utility | 4.8L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2004 | Chevrolet | Tahoe | LT | Sport Utility | 5.3L | V8 | N/A | w/o Rear A/C; Configuration: Parallel Flow |
| 2004 | GMC | Sierra 1500 | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 1500 | WT | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 1500 | WT | Extended Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 1500 | SLT | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 1500 | SLE | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 1500 | SLE | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 1500 | SLE | Extended Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 1500 | SLE | Crew Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 1500 | SLE | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 1500 | Base | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 1500 | Base | Extended Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 1500 | WT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 1500 | WT | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 1500 | SLT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 1500 | SLT | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 1500 | SLT | Crew Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 1500 | SLT | Crew Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 1500 | SLE | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 1500 | SLE | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 1500 | SLE | Crew Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 1500 | Base | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 1500 | Base | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 1500 | SLE | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 1500 | Base | Standard Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 1500 | WT | Standard Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 1500 | SLT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 1500 | SLT | Extended Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 1500 | SLT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 1500 | SLE | Extended Cab Pickup | 4.8L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 1500 | WT | Standard Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 1500 | WT | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 1500 | SLE | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 1500 | SLE | Standard Cab Pickup | 4.3L | V6 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 1500 | Denali | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 1500 | Base | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 1500 | Base | Standard Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 1500 | Base | Extended Cab Pickup | 5.3L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 2500 | SLT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 2500 | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 2500 | SLE | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 2500 | Base | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 2500 | SLE | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 2500 | SLT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 2500 | WT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 2500 | Base | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 2500 | SLE | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 2500 HD | WT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 2500 HD | Base | Crew Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 2500 HD | SLE | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 2500 HD | SLT | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 2500 HD | SLT | Crew Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 2500 HD | Base | Standard Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 2500 HD | WT | Standard Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 2500 HD | SLT | Crew Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 2500 HD | WT | Crew Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 2500 HD | SLT | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 2500 HD | Base | Crew Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 2500 HD | SLE | Crew Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 2500 HD | Base | Extended Cab Pickup | 6.0L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 2500 HD | Base | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 2500 HD | SLE | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 2500 HD | SLE | Extended Cab Pickup | 8.1L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 2500 HD | SLT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
| 2004 | GMC | Sierra 2500 HD | WT | Extended Cab Pickup | 6.6L | V8 | N/A | Fitment: Parallel Flow Configuration |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.