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Walker 31398 Exhaust Pipe Flange Gasket
| Brand | Walker 31398 |
|---|---|
| Gasket Type | Donut |
| Inside Diameter | 2 |
| Material | High Temperature Graphite With Wire Mesh Core |
| Outside Diameter | 2.75 |
| Thickness | 0.705 |
| Fits | Chevrolet, GMC, and Oldsmobile · 1631 vehicles |
OE-compatible design. Works with OE exhaust components and Walker aftermarket replacement parts.
Donut gasket. Seals exhaust joints with a high-temperature graphite body and wire mesh core.
Exhaust pipe flange gasket. Built for a secure seal in exhaust repair applications.
Cross-references Anchor 9234, BRExhaust 256-1030 and 13841-1 for the same application. See all 4.
Walker 31398 Exhaust Pipe Flange Gasket
Walker 31398 is an exhaust pipe flange gasket built for sealing exhaust joints on a wide range of Chevrolet, GMC, and Oldsmobile applications. This donut-style gasket uses high temperature graphite with a wire mesh core to help maintain a tight seal at the flange connection.
It is a direct-fit style exhaust sealing part for repairs involving catalytic converter outlets, muffler connections, and flange joints on vehicles such as the Chevrolet C1500, GMC K2500, and Chevrolet Astro.
Key Features
- Donut-style exhaust pipe flange gasket
- High temperature graphite construction with wire mesh core
- Inside diameter: 2 in.
- Outside diameter: 2.75 in.
- Thickness: 0.705 in.
- Designed for OE exhaust components and Walker aftermarket replacement parts
- Part number: 31398
Product Details
Walker 31398 is engineered for exhaust sealing at flange connections where heat and vibration can cause leaks over time. The graphite material helps form a reliable seal, while the wire mesh core adds structure for consistent fitment at the joint. This part cross-references Anchor 9234 and BRExhaust 256-1030 for the same application. Walker 31398 is a practical choice for exhaust repair work on older GM trucks, vans, SUVs, and utility vehicles across the 1987-1996 model years.
What It Helps Fix
- Exhaust leaks at the flange connection
- Noise from a leaking exhaust joint
- Loss of sealing after exhaust service or component replacement
- Heat-related gasket breakdown at the pipe joint
- Fitment issues when replacing worn OE-style exhaust sealing parts
Installation Notes
Install Walker 31398 at the exhaust flange location specified by the vehicle application. Confirm the inside diameter, outside diameter, and thickness match the existing joint before assembly. Clean mating surfaces thoroughly so the gasket seats evenly and the flange can clamp the joint without distortion. This part number 31398 is listed for applications including Fits 1988-1995 Chevrolet C1500, N/A and Fits 1988-1995 GMC K1500, N/A, along with many other Chevrolet and GMC truck, van, and SUV configurations.
Quality Assurance
Walker positions this gasket for use with OE exhaust components and Walker aftermarket replacement parts, giving buyers a sealing solution aligned with standard exhaust repair requirements.
| Year | Make | Model | Body Type | Drive Type | Liters | Cylinders | Wheel Base | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 1996 | Chevrolet | G30 | — | — | 4.3L | V6 | 125.0" | N/A | Over 8500 (lb) GVW; with Converter |
| 1996 | Chevrolet | G30 | — | — | 4.3L | V6 | 125.0" | N/A | Over 8500 (lb) GVW; with School Bus Package |
| 1996 | Chevrolet | G30 | — | — | 5.7L | V8 | 146.0" | N/A | Over 8500 (lb) GVW; Except Cutaway Chassis |
| 1996 | Chevrolet | G30 | — | — | 5.7L | V8 | 125.0" | N/A | Over 8500 (lb) GVW |
| 1996 | Chevrolet | P30 | — | — | 5.7L | V8 | 125.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1996 | Chevrolet | P30 | — | — | 5.7L | V8 | 178.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1996 | Chevrolet | P30 | — | — | 5.7L | V8 | 133.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1996 | Chevrolet | P30 | — | — | 5.7L | V8 | 157.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1996 | GMC | G3500 | — | — | 5.7L | V8 | 146.0" | N/A | Over 8500 (lb) GVW; Except Cutaway Chassis |
| 1996 | GMC | G3500 | — | — | 5.7L | V8 | 125.0" | N/A | Over 8500 (lb) GVW |
| 1995 | Chevrolet | Astro | — | — | 4.3L | V6 | — | N/A | — |
| 1995 | Chevrolet | C1500 | — | — | 5.0L | V8 | — | N/A | — |
| 1995 | Chevrolet | C1500 | — | — | 4.3L | V6 | — | N/A | — |
| 1995 | Chevrolet | C1500 | — | — | 5.7L | V8 | — | N/A | — |
| 1995 | Chevrolet | C1500 Suburban | — | — | 5.7L | V8 | 131.5" | N/A | with Welded Converter |
| 1995 | Chevrolet | C2500 | — | — | 5.0L | V8 | 155.5" | N/A | Below 8500 (lb) GVW |
| 1995 | Chevrolet | C2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW |
| 1995 | Chevrolet | C2500 | — | — | 5.0L | V8 | 141.5" | N/A | Below 8500 (lb) GVW |
| 1995 | Chevrolet | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1995 | Chevrolet | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW |
| 1995 | Chevrolet | C2500 | — | — | 5.0L | V8 | 131.5" | N/A | Below 8500 (lb) GVW |
| 1995 | Chevrolet | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1995 | Chevrolet | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1995 | Chevrolet | C2500 | — | — | 4.3L | V6 | 155.5" | N/A | Below 8500 (lb) GVW |
| 1995 | Chevrolet | C2500 | — | — | 4.3L | V6 | 141.5" | N/A | Below 8500 (lb) GVW |
| 1995 | Chevrolet | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW |
| 1995 | Chevrolet | C2500 | — | — | 4.3L | V6 | 131.5" | N/A | Below 8500 (lb) GVW |
| 1995 | Chevrolet | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1995 | Chevrolet | C2500 Suburban | — | — | 5.7L | V8 | 131.5" | N/A | — |
| 1995 | Chevrolet | C3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet |
| 1995 | Chevrolet | C3500 | — | — | 5.7L | V8 | 168.5" | N/A | — |
| 1995 | Chevrolet | C3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1995 | Chevrolet | C3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet |
| 1995 | Chevrolet | C3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1995 | Chevrolet | C3500 | Cab & Chassis | — | 5.7L | V8 | 159.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1995 | Chevrolet | C3500 | Cab & Chassis | — | 5.7L | V8 | 135.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1995 | Chevrolet | G10 | — | — | 5.0L | V8 | 110.0" | N/A | — |
| 1995 | Chevrolet | G10 | — | — | 4.3L | V6 | 125.0" | N/A | — |
| 1995 | Chevrolet | G10 | — | — | 5.0L | V8 | 125.0" | N/A | — |
| 1995 | Chevrolet | G10 | — | — | 4.3L | V6 | 110.0" | N/A | — |
| 1995 | Chevrolet | G20 | — | — | 5.0L | V8 | 110.0" | N/A | — |
| 1995 | Chevrolet | G20 | — | — | 4.3L | V6 | 110.0" | N/A | — |
| 1995 | Chevrolet | G20 | — | — | 5.7L | V8 | 110.0" | N/A | — |
| 1995 | Chevrolet | G20 | — | — | 4.3L | V6 | 125.0" | N/A | — |
| 1995 | Chevrolet | G20 | — | — | 5.0L | V8 | 125.0" | N/A | — |
| 1995 | Chevrolet | G20 | — | — | 5.7L | V8 | 125.0" | N/A | — |
| 1995 | Chevrolet | G30 | — | — | 5.7L | V8 | 146.0" | N/A | Over 8500 (lb) GVW; with Single Catalytic Converter |
| 1995 | Chevrolet | G30 | — | — | 4.3L | V6 | 125.0" | N/A | with 8,500 (lb) Gross Vehicle Weight (GVW) & Under |
| 1995 | Chevrolet | G30 | — | — | 4.3L | V6 | 125.0" | N/A | Over 8500 (lb) GVW; with Single Catalytic Converter |
| 1995 | Chevrolet | G30 | — | — | 5.7L | V8 | 125.0" | N/A | Over 8500 (lb) GVW; with Single Catalytic Converter |
| 1995 | Chevrolet | G30 | — | — | 5.7L | V8 | 125.0" | N/A | with 8,500 (lb) Gross Vehicle Weight (GVW) & Under |
| 1995 | Chevrolet | K1500 | — | — | 4.3L | V6 | — | N/A | — |
| 1995 | Chevrolet | K1500 | — | — | 5.7L | V8 | — | N/A | — |
| 1995 | Chevrolet | K1500 | — | — | 5.0L | V8 | — | N/A | — |
| 1995 | Chevrolet | K1500 Suburban | — | — | 5.7L | V8 | 131.5" | N/A | with Welded Converter |
| 1995 | Chevrolet | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1995 | Chevrolet | K2500 | — | — | 5.0L | V8 | 131.5" | N/A | Below 8500 (lb) GVW |
| 1995 | Chevrolet | K2500 | — | — | 5.0L | V8 | 155.5" | N/A | Below 8500 (lb) GVW |
| 1995 | Chevrolet | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW |
| 1995 | Chevrolet | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1995 | Chevrolet | K2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW |
| 1995 | Chevrolet | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1995 | Chevrolet | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1995 | Chevrolet | K2500 | — | — | 4.3L | V6 | 155.5" | N/A | Below 8500 (lb) GVW |
| 1995 | Chevrolet | K2500 | — | — | 4.3L | V6 | 131.5" | N/A | Below 8500 (lb) GVW |
| 1995 | Chevrolet | K2500 | — | — | 4.3L | V6 | 141.5" | N/A | Below 8500 (lb) GVW |
| 1995 | Chevrolet | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW |
| 1995 | Chevrolet | K2500 | — | — | 5.0L | V8 | 141.5" | N/A | Below 8500 (lb) GVW |
| 1995 | Chevrolet | K2500 Suburban | — | — | 5.7L | V8 | 131.5" | N/A | — |
| 1995 | Chevrolet | K3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1995 | Chevrolet | K3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet; with Single Catalytic Converter |
| 1995 | Chevrolet | K3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet; with Single Catalytic Converter |
| 1995 | Chevrolet | K3500 | — | — | 5.7L | V8 | 168.5" | N/A | — |
| 1995 | Chevrolet | K3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1995 | Chevrolet | K3500 | Cab & Chassis | — | 5.7L | V8 | 159.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1995 | Chevrolet | K3500 | Cab & Chassis | — | 5.7L | V8 | 135.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1995 | Chevrolet | P30 | — | — | 4.3L | V6 | 125.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1995 | Chevrolet | P30 | — | — | 4.3L | V6 | 133.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1995 | Chevrolet | P30 | — | — | 4.3L | V6 | 157.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1995 | Chevrolet | P30 | — | — | 5.7L | V8 | 125.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1995 | Chevrolet | P30 | — | — | 5.7L | V8 | 178.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1995 | Chevrolet | P30 | — | — | 5.7L | V8 | 133.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1995 | Chevrolet | P30 | — | — | 5.7L | V8 | 157.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1995 | Chevrolet | P30 | — | — | 4.3L | V6 | 178.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1995 | Chevrolet | Tahoe | — | — | 5.7L | V8 | — | N/A | — |
| 1995 | GMC | C1500 | — | — | 4.3L | V6 | — | N/A | — |
| 1995 | GMC | C1500 | — | — | 5.0L | V8 | — | N/A | — |
| 1995 | GMC | C1500 | — | — | 5.7L | V8 | — | N/A | — |
| 1995 | GMC | C1500 Suburban | — | — | 5.7L | V8 | 131.5" | N/A | with Welded Converter |
| 1995 | GMC | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1995 | GMC | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW |
| 1995 | GMC | C2500 | — | — | 5.0L | V8 | 155.5" | N/A | Below 8500 (lb) GVW |
| 1995 | GMC | C2500 | — | — | 4.3L | V6 | 155.5" | N/A | Below 8500 (lb) GVW |
| 1995 | GMC | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW |
| 1995 | GMC | C2500 | — | — | 4.3L | V6 | 131.5" | N/A | Below 8500 (lb) GVW |
| 1995 | GMC | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1995 | GMC | C2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW |
| 1995 | GMC | C2500 | — | — | 5.0L | V8 | 131.5" | N/A | Below 8500 (lb) GVW |
| 1995 | GMC | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1995 | GMC | C2500 | — | — | 5.0L | V8 | 141.5" | N/A | Below 8500 (lb) GVW |
| 1995 | GMC | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1995 | GMC | C2500 | — | — | 4.3L | V6 | 141.5" | N/A | Below 8500 (lb) GVW |
| 1995 | GMC | C2500 Suburban | — | — | 5.7L | V8 | 131.5" | N/A | — |
| 1995 | GMC | C3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet |
| 1995 | GMC | C3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1995 | GMC | C3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet |
| 1995 | GMC | C3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1995 | GMC | C3500 | — | — | 5.7L | V8 | 168.5" | N/A | — |
| 1995 | GMC | C3500 | Cab & Chassis | — | 5.7L | V8 | 135.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1995 | GMC | C3500 | Cab & Chassis | — | 5.7L | V8 | 159.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1995 | GMC | G1500 | — | — | 4.3L | V6 | 110.0" | N/A | — |
| 1995 | GMC | G1500 | — | — | 5.0L | V8 | 110.0" | N/A | — |
| 1995 | GMC | G1500 | — | — | 5.0L | V8 | 125.0" | N/A | — |
| 1995 | GMC | G1500 | — | — | 4.3L | V6 | 125.0" | N/A | — |
| 1995 | GMC | G2500 | — | — | 5.0L | V8 | 110.0" | N/A | — |
| 1995 | GMC | G2500 | — | — | 5.0L | V8 | 125.0" | N/A | — |
| 1995 | GMC | G2500 | — | — | 5.7L | V8 | 125.0" | N/A | — |
| 1995 | GMC | G2500 | — | — | 5.7L | V8 | 110.0" | N/A | — |
| 1995 | GMC | G2500 | — | — | 4.3L | V6 | 125.0" | N/A | — |
| 1995 | GMC | G2500 | — | — | 4.3L | V6 | 110.0" | N/A | — |
| 1995 | GMC | G3500 | — | — | 4.3L | V6 | 125.0" | N/A | with 8,500 (lb) Gross Vehicle Weight (GVW) & Under |
| 1995 | GMC | G3500 | — | — | 5.7L | V8 | 125.0" | N/A | Over 8500 (lb) GVW; with Single Catalytic Converter |
| 1995 | GMC | G3500 | — | — | 5.7L | V8 | 146.0" | N/A | Over 8500 (lb) GVW; with Single Catalytic Converter |
| 1995 | GMC | G3500 | — | — | 5.7L | V8 | 125.0" | N/A | with 8,500 (lb) Gross Vehicle Weight (GVW) & Under |
| 1995 | GMC | G3500 | — | — | 4.3L | V6 | 125.0" | N/A | Over 8500 (lb) GVW; with Single Catalytic Converter |
| 1995 | GMC | K1500 | — | — | 5.0L | V8 | — | N/A | — |
| 1995 | GMC | K1500 | — | — | 4.3L | V6 | — | N/A | — |
| 1995 | GMC | K1500 | — | — | 5.7L | V8 | — | N/A | — |
| 1995 | GMC | K1500 Suburban | — | — | 5.7L | V8 | 131.5" | N/A | with Welded Converter |
| 1995 | GMC | K2500 | — | — | 5.0L | V8 | 141.5" | N/A | Below 8500 (lb) GVW |
| 1995 | GMC | K2500 | — | — | 5.0L | V8 | 155.5" | N/A | Below 8500 (lb) GVW |
| 1995 | GMC | K2500 | — | — | 4.3L | V6 | 131.5" | N/A | Below 8500 (lb) GVW |
| 1995 | GMC | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1995 | GMC | K2500 | — | — | 4.3L | V6 | 141.5" | N/A | Below 8500 (lb) GVW |
| 1995 | GMC | K2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW |
| 1995 | GMC | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1995 | GMC | K2500 | — | — | 4.3L | V6 | 155.5" | N/A | Below 8500 (lb) GVW |
| 1995 | GMC | K2500 | — | — | 5.0L | V8 | 131.5" | N/A | Below 8500 (lb) GVW |
| 1995 | GMC | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1995 | GMC | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW |
| 1995 | GMC | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1995 | GMC | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW |
| 1995 | GMC | K2500 Suburban | — | — | 5.7L | V8 | 131.5" | N/A | — |
| 1995 | GMC | K3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet; with Single Catalytic Converter |
| 1995 | GMC | K3500 | — | — | 5.7L | V8 | 168.5" | N/A | — |
| 1995 | GMC | K3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1995 | GMC | K3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet; with Single Catalytic Converter |
| 1995 | GMC | K3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1995 | GMC | K3500 | Cab & Chassis | — | 5.7L | V8 | 159.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1995 | GMC | K3500 | Cab & Chassis | — | 5.7L | V8 | 135.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1995 | GMC | Safari | — | — | 4.3L | V6 | — | N/A | — |
| 1995 | GMC | Yukon | — | — | 5.7L | V8 | — | N/A | — |
| 1994 | Chevrolet | Astro | — | — | 4.3L | V6 | — | N/A | — |
| 1994 | Chevrolet | Blazer | — | 4WD | 5.7L | V8 | — | N/A | with Welded Converter |
| 1994 | Chevrolet | Blazer | — | 4WD | 5.7L | V8 | — | N/A | without Welded Converter |
| 1994 | Chevrolet | C1500 | — | — | 5.0L | V8 | — | N/A | — |
| 1994 | Chevrolet | C1500 | — | — | 4.3L | V6 | — | N/A | — |
| 1994 | Chevrolet | C1500 | — | — | 5.7L | V8 | — | N/A | — |
| 1994 | Chevrolet | C1500 Suburban | — | — | 5.7L | V8 | 131.5" | N/A | with Welded Converter |
| 1994 | Chevrolet | C2500 | — | — | 5.0L | V8 | 155.5" | N/A | Below 8500 (lb) GVW |
| 1994 | Chevrolet | C2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW |
| 1994 | Chevrolet | C2500 | — | — | 5.0L | V8 | 141.5" | N/A | Below 8500 (lb) GVW |
| 1994 | Chevrolet | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1994 | Chevrolet | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW |
| 1994 | Chevrolet | C2500 | — | — | 5.0L | V8 | 131.5" | N/A | Below 8500 (lb) GVW |
| 1994 | Chevrolet | C2500 | — | — | 4.3L | V6 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1994 | Chevrolet | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1994 | Chevrolet | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1994 | Chevrolet | C2500 | — | — | 4.3L | V6 | 155.5" | N/A | Below 8500 (lb) GVW |
| 1994 | Chevrolet | C2500 | — | — | 4.3L | V6 | 141.5" | N/A | Below 8500 (lb) GVW |
| 1994 | Chevrolet | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW |
| 1994 | Chevrolet | C2500 | — | — | 4.3L | V6 | 131.5" | N/A | Below 8500 (lb) GVW |
| 1994 | Chevrolet | C2500 | — | — | 4.3L | V6 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1994 | Chevrolet | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1994 | Chevrolet | C2500 Suburban | — | — | 5.7L | V8 | 131.5" | N/A | — |
| 1994 | Chevrolet | C3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet |
| 1994 | Chevrolet | C3500 | — | — | 5.7L | V8 | 168.5" | N/A | — |
| 1994 | Chevrolet | C3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1994 | Chevrolet | C3500 | — | — | 5.7L | V8 | 159.5" | N/A | with 15,000 (lb) Gross Vehicle Weight (GVW) |
| 1994 | Chevrolet | C3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet |
| 1994 | Chevrolet | C3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1994 | Chevrolet | C3500 | — | — | 5.7L | V8 | 135.5" | N/A | with 15,000 (lb) Gross Vehicle Weight (GVW) |
| 1994 | Chevrolet | C3500 | Cab & Chassis | — | 5.7L | V8 | 159.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1994 | Chevrolet | C3500 | Cab & Chassis | — | 5.7L | V8 | 135.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1994 | Chevrolet | G20 | — | — | 5.7L | V8 | 125.0" | N/A | — |
| 1994 | Chevrolet | G30 | — | — | 4.3L | V6 | 125.0" | N/A | Over 8500 (lb) GVW; with Single Catalytic Converter |
| 1994 | Chevrolet | G30 | — | — | 5.7L | V8 | 125.0" | N/A | with Single Catalytic Converter |
| 1994 | Chevrolet | G30 | — | — | 5.7L | V8 | 146.0" | N/A | with Single Catalytic Converter |
| 1994 | Chevrolet | K1500 | — | — | 4.3L | V6 | — | N/A | — |
| 1994 | Chevrolet | K1500 | — | — | 5.7L | V8 | — | N/A | — |
| 1994 | Chevrolet | K1500 | — | — | 5.0L | V8 | — | N/A | — |
| 1994 | Chevrolet | K1500 Suburban | — | — | 5.7L | V8 | 131.5" | N/A | with Welded Converter |
| 1994 | Chevrolet | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1994 | Chevrolet | K2500 | — | — | 5.0L | V8 | 131.5" | N/A | Below 8500 (lb) GVW |
| 1994 | Chevrolet | K2500 | — | — | 5.0L | V8 | 155.5" | N/A | Below 8500 (lb) GVW |
| 1994 | Chevrolet | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW |
| 1994 | Chevrolet | K2500 | — | — | 4.3L | V6 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1994 | Chevrolet | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1994 | Chevrolet | K2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW |
| 1994 | Chevrolet | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1994 | Chevrolet | K2500 | — | — | 4.3L | V6 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1994 | Chevrolet | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1994 | Chevrolet | K2500 | — | — | 4.3L | V6 | 155.5" | N/A | Below 8500 (lb) GVW |
| 1994 | Chevrolet | K2500 | — | — | 4.3L | V6 | 131.5" | N/A | Below 8500 (lb) GVW |
| 1994 | Chevrolet | K2500 | — | — | 4.3L | V6 | 141.5" | N/A | Below 8500 (lb) GVW |
| 1994 | Chevrolet | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW |
| 1994 | Chevrolet | K2500 | — | — | 5.0L | V8 | 141.5" | N/A | Below 8500 (lb) GVW |
| 1994 | Chevrolet | K2500 Suburban | — | — | 5.7L | V8 | 131.5" | N/A | — |
| 1994 | Chevrolet | K3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1994 | Chevrolet | K3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet; with Single Catalytic Converter |
| 1994 | Chevrolet | K3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet; with Single Catalytic Converter |
| 1994 | Chevrolet | K3500 | — | — | 5.7L | V8 | 168.5" | N/A | — |
| 1994 | Chevrolet | K3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1994 | Chevrolet | K3500 | Cab & Chassis | — | 5.7L | V8 | 159.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1994 | Chevrolet | K3500 | Cab & Chassis | — | 5.7L | V8 | 135.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1994 | Chevrolet | P30 | — | — | 4.3L | V6 | 125.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1994 | Chevrolet | P30 | — | — | 4.3L | V6 | 133.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1994 | Chevrolet | P30 | — | — | 4.3L | V6 | 157.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1994 | Chevrolet | P30 | — | — | 5.7L | V8 | 125.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1994 | Chevrolet | P30 | — | — | 5.7L | V8 | 178.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1994 | Chevrolet | P30 | — | — | 5.7L | V8 | 133.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1994 | Chevrolet | P30 | — | — | 5.7L | V8 | 157.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1994 | Chevrolet | P30 | — | — | 4.3L | V6 | 178.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1994 | Chevrolet | S10 | — | RWD | 4.3L | V6 | — | N/A | — |
| 1994 | Chevrolet | S10 | — | 4WD | 4.3L | V6 | — | N/A | without Syclone Or HD Off Road Package |
| 1994 | Chevrolet | S10 Blazer | — | — | 4.3L | V6 | — | N/A | — |
| 1994 | GMC | C1500 | — | — | 4.3L | V6 | — | N/A | — |
| 1994 | GMC | C1500 | — | — | 5.0L | V8 | — | N/A | — |
| 1994 | GMC | C1500 | — | — | 5.7L | V8 | — | N/A | — |
| 1994 | GMC | C1500 Suburban | — | — | 5.7L | V8 | 131.5" | N/A | with Welded Converter |
| 1994 | GMC | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1994 | GMC | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW |
| 1994 | GMC | C2500 | — | — | 5.0L | V8 | 155.5" | N/A | Below 8500 (lb) GVW |
| 1994 | GMC | C2500 | — | — | 4.3L | V6 | 155.5" | N/A | Below 8500 (lb) GVW |
| 1994 | GMC | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW |
| 1994 | GMC | C2500 | — | — | 4.3L | V6 | 131.5" | N/A | Below 8500 (lb) GVW |
| 1994 | GMC | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1994 | GMC | C2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW |
| 1994 | GMC | C2500 | — | — | 5.0L | V8 | 131.5" | N/A | Below 8500 (lb) GVW |
| 1994 | GMC | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1994 | GMC | C2500 | — | — | 4.3L | V6 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1994 | GMC | C2500 | — | — | 5.0L | V8 | 141.5" | N/A | Below 8500 (lb) GVW |
| 1994 | GMC | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1994 | GMC | C2500 | — | — | 4.3L | V6 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1994 | GMC | C2500 | — | — | 4.3L | V6 | 141.5" | N/A | Below 8500 (lb) GVW |
| 1994 | GMC | C2500 Suburban | — | — | 5.7L | V8 | 131.5" | N/A | — |
| 1994 | GMC | C3500 | — | — | 5.7L | V8 | 135.5" | N/A | with 15,000 (lb) Gross Vehicle Weight (GVW) |
| 1994 | GMC | C3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet |
| 1994 | GMC | C3500 | — | — | 5.7L | V8 | 159.5" | N/A | with 15,000 (lb) Gross Vehicle Weight (GVW) |
| 1994 | GMC | C3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1994 | GMC | C3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet |
| 1994 | GMC | C3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1994 | GMC | C3500 | — | — | 5.7L | V8 | 168.5" | N/A | — |
| 1994 | GMC | C3500 | Cab & Chassis | — | 5.7L | V8 | 135.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1994 | GMC | C3500 | Cab & Chassis | — | 5.7L | V8 | 159.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1994 | GMC | G2500 | — | — | 5.7L | V8 | 125.0" | N/A | — |
| 1994 | GMC | G3500 | — | — | 5.7L | V8 | 125.0" | N/A | with Single Catalytic Converter |
| 1994 | GMC | G3500 | — | — | 4.3L | V6 | 125.0" | N/A | Over 8500 (lb) GVW; with Single Catalytic Converter |
| 1994 | GMC | G3500 | — | — | 5.7L | V8 | 146.0" | N/A | with Single Catalytic Converter |
| 1994 | GMC | Jimmy | — | — | 4.3L | V6 | — | N/A | — |
| 1994 | GMC | K1500 | — | — | 5.0L | V8 | — | N/A | — |
| 1994 | GMC | K1500 | — | — | 4.3L | V6 | — | N/A | — |
| 1994 | GMC | K1500 | — | — | 5.7L | V8 | — | N/A | — |
| 1994 | GMC | K1500 Suburban | — | — | 5.7L | V8 | 131.5" | N/A | with Welded Converter |
| 1994 | GMC | K2500 | — | — | 5.0L | V8 | 141.5" | N/A | Below 8500 (lb) GVW |
| 1994 | GMC | K2500 | — | — | 5.0L | V8 | 155.5" | N/A | Below 8500 (lb) GVW |
| 1994 | GMC | K2500 | — | — | 4.3L | V6 | 131.5" | N/A | Below 8500 (lb) GVW |
| 1994 | GMC | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1994 | GMC | K2500 | — | — | 4.3L | V6 | 141.5" | N/A | Below 8500 (lb) GVW |
| 1994 | GMC | K2500 | — | — | 4.3L | V6 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1994 | GMC | K2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW |
| 1994 | GMC | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1994 | GMC | K2500 | — | — | 4.3L | V6 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1994 | GMC | K2500 | — | — | 4.3L | V6 | 155.5" | N/A | Below 8500 (lb) GVW |
| 1994 | GMC | K2500 | — | — | 5.0L | V8 | 131.5" | N/A | Below 8500 (lb) GVW |
| 1994 | GMC | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1994 | GMC | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW |
| 1994 | GMC | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1994 | GMC | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW |
| 1994 | GMC | K2500 Suburban | — | — | 5.7L | V8 | 131.5" | N/A | — |
| 1994 | GMC | K3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet; with Single Catalytic Converter |
| 1994 | GMC | K3500 | — | — | 5.7L | V8 | 168.5" | N/A | — |
| 1994 | GMC | K3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1994 | GMC | K3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet; with Single Catalytic Converter |
| 1994 | GMC | K3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1994 | GMC | K3500 | Cab & Chassis | — | 5.7L | V8 | 159.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1994 | GMC | K3500 | Cab & Chassis | — | 5.7L | V8 | 135.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1994 | GMC | Safari | — | — | 4.3L | V6 | — | N/A | — |
| 1994 | GMC | Sonoma | — | 4WD | 4.3L | V6 | — | N/A | — |
| 1994 | GMC | Sonoma | — | RWD | 4.3L | V6 | — | N/A | — |
| 1994 | GMC | Yukon | — | 4WD | 5.7L | V8 | — | N/A | — |
| 1994 | GMC | Yukon | — | 4WD | 5.7L | V8 | — | N/A | with Single Catalytic Converter |
| 1994 | Oldsmobile | Bravada | — | — | 4.3L | V6 | — | N/A | — |
| 1993 | Chevrolet | Astro | — | — | 4.3L | V6 | — | N/A | without California Emission System |
| 1993 | Chevrolet | Astro | — | — | 4.3L | V6 | — | N/A | High Output |
| 1993 | Chevrolet | Blazer | — | 4WD | 5.7L | V8 | — | N/A | without Welded Converter |
| 1993 | Chevrolet | C1500 | — | — | 4.3L | V6 | 117.5" | N/A | with Welded Converter |
| 1993 | Chevrolet | C1500 | — | — | 5.0L | V8 | 131.5" | N/A | with Welded Converter |
| 1993 | Chevrolet | C1500 | — | — | 5.0L | V8 | 117.5" | N/A | with Welded Converter |
| 1993 | Chevrolet | C1500 | — | — | 4.3L | V6 | 131.5" | N/A | with Welded Converter |
| 1993 | Chevrolet | C1500 | — | — | 4.3L | V6 | 155.5" | N/A | — |
| 1993 | Chevrolet | C1500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1993 | Chevrolet | C1500 | — | — | 4.3L | V6 | 131.5" | N/A | without Welded Converter |
| 1993 | Chevrolet | C1500 | — | — | 5.0L | V8 | 141.5" | N/A | — |
| 1993 | Chevrolet | C1500 | — | — | 5.7L | V8 | 117.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1993 | Chevrolet | C1500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1993 | Chevrolet | C1500 | — | — | 4.3L | V6 | 117.5" | N/A | without Welded Converter |
| 1993 | Chevrolet | C1500 | — | — | 5.0L | V8 | 131.5" | N/A | without Welded Converter |
| 1993 | Chevrolet | C1500 | — | — | 5.0L | V8 | 155.5" | N/A | — |
| 1993 | Chevrolet | C1500 | — | — | 6.2L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1993 | Chevrolet | C1500 | — | — | 5.0L | V8 | 117.5" | N/A | without Welded Converter |
| 1993 | Chevrolet | C1500 | — | — | 5.7L | V8 | 141.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1993 | Chevrolet | C1500 | — | — | 4.3L | V6 | 141.5" | N/A | — |
| 1993 | Chevrolet | C1500 | — | — | 6.2L | V8 | 141.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1993 | Chevrolet | C1500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1993 | Chevrolet | C1500 | — | — | 6.2L | V8 | — | N/A | with 3 (in) Muffler Inlet |
| 1993 | Chevrolet | C1500 | — | — | 5.7L | V8 | — | N/A | with 3 (in) Muffler Inlet; without Welded Converter |
| 1993 | Chevrolet | C1500 Suburban | — | — | 5.7L | V8 | 131.5" | N/A | without Welded Converter |
| 1993 | Chevrolet | C2500 | — | — | 6.2L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1993 | Chevrolet | C2500 | — | — | 6.2L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1993 | Chevrolet | C2500 | — | — | 6.2L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1993 | Chevrolet | C2500 | — | — | 6.2L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1993 | Chevrolet | C2500 | — | — | 6.2L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1993 | Chevrolet | C2500 | — | — | 6.2L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1993 | Chevrolet | C2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1993 | Chevrolet | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1993 | Chevrolet | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1993 | Chevrolet | C2500 | — | — | 4.3L | V6 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1993 | Chevrolet | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1993 | Chevrolet | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1993 | Chevrolet | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1993 | Chevrolet | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1993 | Chevrolet | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1993 | Chevrolet | C2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1993 | Chevrolet | C2500 | — | — | 4.3L | V6 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1993 | Chevrolet | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1993 | Chevrolet | C2500 | — | — | 6.2L | V8 | — | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1993 | Chevrolet | C2500 | — | — | 5.0L | V8 | — | N/A | Below 8500 (lb) GVW |
| 1993 | Chevrolet | C2500 | — | — | 4.3L | V6 | — | N/A | Below 8500 (lb) GVW |
| 1993 | Chevrolet | C2500 Suburban | — | — | 5.7L | V8 | 131.5" | N/A | — |
| 1993 | Chevrolet | C3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet |
| 1993 | Chevrolet | C3500 | — | — | 5.7L | V8 | 168.5" | N/A | — |
| 1993 | Chevrolet | C3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1993 | Chevrolet | C3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet |
| 1993 | Chevrolet | C3500 | — | — | 6.2L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet |
| 1993 | Chevrolet | C3500 | — | — | 5.7L | V8 | 159.5" | N/A | with 15,000 (lb) Gross Vehicle Weight (GVW) |
| 1993 | Chevrolet | C3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet |
| 1993 | Chevrolet | C3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1993 | Chevrolet | C3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1993 | Chevrolet | C3500 | — | — | 5.7L | V8 | 135.5" | N/A | with 15,000 (lb) Gross Vehicle Weight (GVW) |
| 1993 | Chevrolet | C3500 | Cab & Chassis | — | 6.2L | V8 | 135.5" | N/A | — |
| 1993 | Chevrolet | C3500 | Cab & Chassis | — | 5.7L | V8 | 159.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1993 | Chevrolet | C3500 | Cab & Chassis | — | 5.7L | V8 | 135.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1993 | Chevrolet | C3500 | Cab & Chassis | — | 6.2L | V8 | 159.5" | N/A | — |
| 1993 | Chevrolet | G10 | — | — | 5.7L | V8 | 125.0" | N/A | — |
| 1993 | Chevrolet | G20 | — | — | 5.7L | V8 | 125.0" | N/A | — |
| 1993 | Chevrolet | G30 | — | — | 5.7L | V8 | 125.0" | N/A | with Single Catalytic Converter |
| 1993 | Chevrolet | G30 | — | — | 4.3L | V6 | 125.0" | N/A | Over 8500 (lb) GVW |
| 1993 | Chevrolet | G30 | — | — | 5.7L | V8 | 146.0" | N/A | with Single Catalytic Converter |
| 1993 | Chevrolet | K1500 | — | — | 5.0L | V8 | 117.5" | N/A | with Welded Converter |
| 1993 | Chevrolet | K1500 | — | — | 5.0L | V8 | 131.5" | N/A | with Welded Converter |
| 1993 | Chevrolet | K1500 | — | — | 4.3L | V6 | 131.5" | N/A | with Welded Converter |
| 1993 | Chevrolet | K1500 | — | — | 4.3L | V6 | 117.5" | N/A | with Welded Converter |
| 1993 | Chevrolet | K1500 | — | — | 6.2L | V8 | 141.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1993 | Chevrolet | K1500 | — | — | 5.0L | V8 | 141.5" | N/A | — |
| 1993 | Chevrolet | K1500 | — | — | 5.0L | V8 | 155.5" | N/A | — |
| 1993 | Chevrolet | K1500 | — | — | 4.3L | V6 | 117.5" | N/A | without Welded Converter |
| 1993 | Chevrolet | K1500 | — | — | 5.7L | V8 | 141.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1993 | Chevrolet | K1500 | — | — | 5.0L | V8 | 131.5" | N/A | without Welded Converter |
| 1993 | Chevrolet | K1500 | — | — | 4.3L | V6 | 141.5" | N/A | — |
| 1993 | Chevrolet | K1500 | — | — | 4.3L | V6 | 155.5" | N/A | — |
| 1993 | Chevrolet | K1500 | — | — | 5.0L | V8 | 117.5" | N/A | without Welded Converter |
| 1993 | Chevrolet | K1500 | — | — | 4.3L | V6 | 131.5" | N/A | without Welded Converter |
| 1993 | Chevrolet | K1500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1993 | Chevrolet | K1500 | — | — | 6.2L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1993 | Chevrolet | K1500 | — | — | 5.7L | V8 | 117.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1993 | Chevrolet | K1500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1993 | Chevrolet | K1500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1993 | Chevrolet | K1500 | — | — | 6.2L | V8 | — | N/A | with 3 (in) Muffler Inlet |
| 1993 | Chevrolet | K1500 | — | — | 5.7L | V8 | — | N/A | with 3 (in) Muffler Inlet; without Welded Converter |
| 1993 | Chevrolet | K1500 Suburban | — | — | 5.7L | V8 | 131.5" | N/A | without Welded Converter |
| 1993 | Chevrolet | K2500 | — | — | 6.2L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1993 | Chevrolet | K2500 | — | — | 6.2L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1993 | Chevrolet | K2500 | — | — | 6.2L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1993 | Chevrolet | K2500 | — | — | 6.2L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1993 | Chevrolet | K2500 | — | — | 6.2L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1993 | Chevrolet | K2500 | — | — | 6.2L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1993 | Chevrolet | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1993 | Chevrolet | K2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1993 | Chevrolet | K2500 | — | — | 4.3L | V6 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1993 | Chevrolet | K2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1993 | Chevrolet | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1993 | Chevrolet | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1993 | Chevrolet | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1993 | Chevrolet | K2500 | — | — | 4.3L | V6 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1993 | Chevrolet | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1993 | Chevrolet | K2500 | — | — | 4.3L | V6 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1993 | Chevrolet | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1993 | Chevrolet | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1993 | Chevrolet | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1993 | Chevrolet | K2500 | — | — | 6.2L | V8 | — | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1993 | Chevrolet | K2500 | — | — | 5.0L | V8 | — | N/A | Below 8500 (lb) GVW |
| 1993 | Chevrolet | K2500 | — | — | 4.3L | V6 | — | N/A | Below 8500 (lb) GVW |
| 1993 | Chevrolet | K2500 Suburban | — | — | 5.7L | V8 | 131.5" | N/A | — |
| 1993 | Chevrolet | K3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1993 | Chevrolet | K3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1993 | Chevrolet | K3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet; with Single Catalytic Converter |
| 1993 | Chevrolet | K3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet; with Single Catalytic Converter |
| 1993 | Chevrolet | K3500 | — | — | 5.7L | V8 | 168.5" | N/A | — |
| 1993 | Chevrolet | K3500 | — | — | 6.2L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet |
| 1993 | Chevrolet | K3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet |
| 1993 | Chevrolet | K3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1993 | Chevrolet | K3500 | Cab & Chassis | — | 6.2L | V8 | 159.5" | N/A | — |
| 1993 | Chevrolet | K3500 | Cab & Chassis | — | 6.2L | V8 | 135.5" | N/A | — |
| 1993 | Chevrolet | K3500 | Cab & Chassis | — | 5.7L | V8 | 159.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1993 | Chevrolet | K3500 | Cab & Chassis | — | 5.7L | V8 | 135.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1993 | Chevrolet | P30 | — | — | 4.3L | V6 | 125.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1993 | Chevrolet | P30 | — | — | 4.3L | V6 | 133.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1993 | Chevrolet | P30 | — | — | 4.3L | V6 | 157.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1993 | Chevrolet | P30 | — | — | 5.7L | V8 | 125.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1993 | Chevrolet | P30 | — | — | 5.7L | V8 | 178.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1993 | Chevrolet | P30 | — | — | 5.7L | V8 | 133.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1993 | Chevrolet | P30 | — | — | 5.7L | V8 | 157.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1993 | Chevrolet | P30 | — | — | 4.3L | V6 | 178.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1993 | Chevrolet | S10 | — | RWD | 4.3L | V6 | — | N/A | — |
| 1993 | Chevrolet | S10 | — | 4WD | 4.3L | V6 | — | N/A | without Syclone Or HD Off Road Package |
| 1993 | Chevrolet | S10 Blazer | — | — | 4.3L | V6 | — | N/A | — |
| 1993 | GMC | C1500 | — | — | 5.0L | V8 | 117.5" | N/A | with Welded Converter |
| 1993 | GMC | C1500 | — | — | 5.0L | V8 | 131.5" | N/A | with Welded Converter |
| 1993 | GMC | C1500 | — | — | 4.3L | V6 | 131.5" | N/A | with Welded Converter |
| 1993 | GMC | C1500 | — | — | 4.3L | V6 | 117.5" | N/A | with Welded Converter |
| 1993 | GMC | C1500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1993 | GMC | C1500 | — | — | 4.3L | V6 | 131.5" | N/A | without Welded Converter |
| 1993 | GMC | C1500 | — | — | 5.7L | V8 | 117.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1993 | GMC | C1500 | — | — | 4.3L | V6 | 117.5" | N/A | without Welded Converter |
| 1993 | GMC | C1500 | — | — | 5.0L | V8 | 141.5" | N/A | — |
| 1993 | GMC | C1500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1993 | GMC | C1500 | — | — | 6.2L | V8 | 141.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1993 | GMC | C1500 | — | — | 4.3L | V6 | 141.5" | N/A | — |
| 1993 | GMC | C1500 | — | — | 5.0L | V8 | 155.5" | N/A | — |
| 1993 | GMC | C1500 | — | — | 5.7L | V8 | 141.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1993 | GMC | C1500 | — | — | 5.0L | V8 | 117.5" | N/A | without Welded Converter |
| 1993 | GMC | C1500 | — | — | 5.0L | V8 | 131.5" | N/A | without Welded Converter |
| 1993 | GMC | C1500 | — | — | 6.2L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1993 | GMC | C1500 | — | — | 4.3L | V6 | 155.5" | N/A | — |
| 1993 | GMC | C1500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1993 | GMC | C1500 | — | — | 6.2L | V8 | — | N/A | with 3 (in) Muffler Inlet |
| 1993 | GMC | C1500 | — | — | 5.7L | V8 | — | N/A | with 3 (in) Muffler Inlet; without Welded Converter |
| 1993 | GMC | C1500 Suburban | — | — | 5.7L | V8 | 131.5" | N/A | without Welded Converter |
| 1993 | GMC | C2500 | — | — | 6.2L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1993 | GMC | C2500 | — | — | 6.2L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1993 | GMC | C2500 | — | — | 6.2L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1993 | GMC | C2500 | — | — | 6.2L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1993 | GMC | C2500 | — | — | 6.2L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1993 | GMC | C2500 | — | — | 6.2L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1993 | GMC | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1993 | GMC | C2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1993 | GMC | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1993 | GMC | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1993 | GMC | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1993 | GMC | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1993 | GMC | C2500 | — | — | 4.3L | V6 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1993 | GMC | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1993 | GMC | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1993 | GMC | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1993 | GMC | C2500 | — | — | 4.3L | V6 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1993 | GMC | C2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1993 | GMC | C2500 | — | — | 6.2L | V8 | — | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1993 | GMC | C2500 | — | — | 4.3L | V6 | — | N/A | Below 8500 (lb) GVW |
| 1993 | GMC | C2500 | — | — | 5.0L | V8 | — | N/A | Below 8500 (lb) GVW |
| 1993 | GMC | C2500 Suburban | — | — | 5.7L | V8 | 131.5" | N/A | — |
| 1993 | GMC | C3500 | — | — | 5.7L | V8 | 135.5" | N/A | with 15,000 (lb) Gross Vehicle Weight (GVW) |
| 1993 | GMC | C3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1993 | GMC | C3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet |
| 1993 | GMC | C3500 | — | — | 5.7L | V8 | 159.5" | N/A | with 15,000 (lb) Gross Vehicle Weight (GVW) |
| 1993 | GMC | C3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1993 | GMC | C3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet |
| 1993 | GMC | C3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1993 | GMC | C3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet |
| 1993 | GMC | C3500 | — | — | 5.7L | V8 | 168.5" | N/A | — |
| 1993 | GMC | C3500 | — | — | 6.2L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet |
| 1993 | GMC | C3500 | Cab & Chassis | — | 5.7L | V8 | 135.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1993 | GMC | C3500 | Cab & Chassis | — | 6.2L | V8 | 159.5" | N/A | — |
| 1993 | GMC | C3500 | Cab & Chassis | — | 5.7L | V8 | 159.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1993 | GMC | C3500 | Cab & Chassis | — | 6.2L | V8 | 135.5" | N/A | — |
| 1993 | GMC | G1500 | — | — | 5.7L | V8 | 125.0" | N/A | — |
| 1993 | GMC | G2500 | — | — | 5.7L | V8 | 125.0" | N/A | — |
| 1993 | GMC | G3500 | — | — | 5.7L | V8 | 125.0" | N/A | with Single Catalytic Converter |
| 1993 | GMC | G3500 | — | — | 4.3L | V6 | 125.0" | N/A | Over 8500 (lb) GVW |
| 1993 | GMC | G3500 | — | — | 5.7L | V8 | 146.0" | N/A | with Single Catalytic Converter |
| 1993 | GMC | Jimmy | — | — | 4.3L | V6 | — | N/A | — |
| 1993 | GMC | K1500 | — | — | 5.0L | V8 | 117.5" | N/A | with Welded Converter |
| 1993 | GMC | K1500 | — | — | 4.3L | V6 | 131.5" | N/A | with Welded Converter |
| 1993 | GMC | K1500 | — | — | 5.0L | V8 | 131.5" | N/A | with Welded Converter |
| 1993 | GMC | K1500 | — | — | 4.3L | V6 | 117.5" | N/A | with Welded Converter |
| 1993 | GMC | K1500 | — | — | 5.0L | V8 | 131.5" | N/A | without Welded Converter |
| 1993 | GMC | K1500 | — | — | 5.7L | V8 | 117.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1993 | GMC | K1500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1993 | GMC | K1500 | — | — | 4.3L | V6 | 155.5" | N/A | — |
| 1993 | GMC | K1500 | — | — | 5.0L | V8 | 155.5" | N/A | — |
| 1993 | GMC | K1500 | — | — | 6.2L | V8 | 141.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1993 | GMC | K1500 | — | — | 6.2L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1993 | GMC | K1500 | — | — | 4.3L | V6 | 117.5" | N/A | without Welded Converter |
| 1993 | GMC | K1500 | — | — | 5.0L | V8 | 117.5" | N/A | without Welded Converter |
| 1993 | GMC | K1500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1993 | GMC | K1500 | — | — | 4.3L | V6 | 141.5" | N/A | — |
| 1993 | GMC | K1500 | — | — | 5.0L | V8 | 141.5" | N/A | — |
| 1993 | GMC | K1500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1993 | GMC | K1500 | — | — | 4.3L | V6 | 131.5" | N/A | without Welded Converter |
| 1993 | GMC | K1500 | — | — | 5.7L | V8 | 141.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1993 | GMC | K1500 | — | — | 5.7L | V8 | — | N/A | with 3 (in) Muffler Inlet; without Welded Converter |
| 1993 | GMC | K1500 | — | — | 6.2L | V8 | — | N/A | with 3 (in) Muffler Inlet |
| 1993 | GMC | K1500 Suburban | — | — | 5.7L | V8 | 131.5" | N/A | without Welded Converter |
| 1993 | GMC | K2500 | — | — | 6.2L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1993 | GMC | K2500 | — | — | 6.2L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1993 | GMC | K2500 | — | — | 6.2L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1993 | GMC | K2500 | — | — | 6.2L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1993 | GMC | K2500 | — | — | 6.2L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1993 | GMC | K2500 | — | — | 6.2L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1993 | GMC | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1993 | GMC | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1993 | GMC | K2500 | — | — | 4.3L | V6 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1993 | GMC | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1993 | GMC | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1993 | GMC | K2500 | — | — | 4.3L | V6 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1993 | GMC | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1993 | GMC | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1993 | GMC | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1993 | GMC | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1993 | GMC | K2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1993 | GMC | K2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1993 | GMC | K2500 | — | — | 4.3L | V6 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1993 | GMC | K2500 | — | — | 6.2L | V8 | — | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1993 | GMC | K2500 | — | — | 4.3L | V6 | — | N/A | Below 8500 (lb) GVW |
| 1993 | GMC | K2500 | — | — | 5.0L | V8 | — | N/A | Below 8500 (lb) GVW |
| 1993 | GMC | K2500 Suburban | — | — | 5.7L | V8 | 131.5" | N/A | — |
| 1993 | GMC | K3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet; with Single Catalytic Converter |
| 1993 | GMC | K3500 | — | — | 6.2L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet |
| 1993 | GMC | K3500 | — | — | 5.7L | V8 | 168.5" | N/A | — |
| 1993 | GMC | K3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1993 | GMC | K3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1993 | GMC | K3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet; with Single Catalytic Converter |
| 1993 | GMC | K3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1993 | GMC | K3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet |
| 1993 | GMC | K3500 | Cab & Chassis | — | 6.2L | V8 | 135.5" | N/A | — |
| 1993 | GMC | K3500 | Cab & Chassis | — | 6.2L | V8 | 159.5" | N/A | — |
| 1993 | GMC | K3500 | Cab & Chassis | — | 5.7L | V8 | 159.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1993 | GMC | K3500 | Cab & Chassis | — | 5.7L | V8 | 135.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1993 | GMC | Safari | — | — | 4.3L | V6 | — | N/A | High Output |
| 1993 | GMC | Safari | — | — | 4.3L | V6 | — | N/A | without California Emission System |
| 1993 | GMC | Sonoma | — | 4WD | 4.3L | V6 | — | N/A | — |
| 1993 | GMC | Sonoma | — | RWD | 4.3L | V6 | — | N/A | — |
| 1993 | GMC | Yukon | — | 4WD | 5.7L | V8 | — | N/A | with Single Catalytic Converter |
| 1993 | Oldsmobile | Bravada | — | — | 4.3L | V6 | — | N/A | — |
| 1992 | Chevrolet | Astro | — | — | 4.3L | V6 | — | N/A | without High Output |
| 1992 | Chevrolet | Astro | — | — | 4.3L | V6 | — | N/A | High Output |
| 1992 | Chevrolet | Blazer | — | 4WD | 5.7L | V8 | — | N/A | without Welded Converter |
| 1992 | Chevrolet | C1500 | — | — | 4.3L | V6 | 155.5" | N/A | — |
| 1992 | Chevrolet | C1500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1992 | Chevrolet | C1500 | — | — | 4.3L | V6 | 131.5" | N/A | without Welded Converter |
| 1992 | Chevrolet | C1500 | — | — | 5.0L | V8 | 141.5" | N/A | — |
| 1992 | Chevrolet | C1500 | — | — | 5.7L | V8 | 117.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1992 | Chevrolet | C1500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1992 | Chevrolet | C1500 | — | — | 4.3L | V6 | 117.5" | N/A | without Welded Converter |
| 1992 | Chevrolet | C1500 | — | — | 5.0L | V8 | 131.5" | N/A | without Welded Converter |
| 1992 | Chevrolet | C1500 | — | — | 5.0L | V8 | 155.5" | N/A | — |
| 1992 | Chevrolet | C1500 | — | — | 6.2L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1992 | Chevrolet | C1500 | — | — | 5.0L | V8 | 117.5" | N/A | without Welded Converter |
| 1992 | Chevrolet | C1500 | — | — | 5.7L | V8 | 141.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1992 | Chevrolet | C1500 | — | — | 4.3L | V6 | 141.5" | N/A | — |
| 1992 | Chevrolet | C1500 | — | — | 6.2L | V8 | 141.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1992 | Chevrolet | C1500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1992 | Chevrolet | C1500 | — | — | 6.2L | V8 | — | N/A | with 3 (in) Muffler Inlet |
| 1992 | Chevrolet | C1500 | — | — | 5.7L | V8 | — | N/A | with 3 (in) Muffler Inlet; without Welded Converter |
| 1992 | Chevrolet | C1500 Suburban | — | — | 5.7L | V8 | 131.5" | N/A | without Welded Converter |
| 1992 | Chevrolet | C2500 | — | — | 6.2L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1992 | Chevrolet | C2500 | — | — | 6.2L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1992 | Chevrolet | C2500 | — | — | 6.2L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1992 | Chevrolet | C2500 | — | — | 6.2L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1992 | Chevrolet | C2500 | — | — | 6.2L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1992 | Chevrolet | C2500 | — | — | 6.2L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1992 | Chevrolet | C2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1992 | Chevrolet | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1992 | Chevrolet | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1992 | Chevrolet | C2500 | — | — | 4.3L | V6 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1992 | Chevrolet | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1992 | Chevrolet | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1992 | Chevrolet | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1992 | Chevrolet | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1992 | Chevrolet | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1992 | Chevrolet | C2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1992 | Chevrolet | C2500 | — | — | 4.3L | V6 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1992 | Chevrolet | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1992 | Chevrolet | C2500 | — | — | 6.2L | V8 | — | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1992 | Chevrolet | C2500 | — | — | 5.0L | V8 | — | N/A | Below 8500 (lb) GVW |
| 1992 | Chevrolet | C2500 | — | — | 4.3L | V6 | — | N/A | Below 8500 (lb) GVW |
| 1992 | Chevrolet | C2500 Suburban | — | — | 5.7L | V8 | 131.5" | N/A | — |
| 1992 | Chevrolet | C3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet |
| 1992 | Chevrolet | C3500 | — | — | 5.7L | V8 | 168.5" | N/A | — |
| 1992 | Chevrolet | C3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1992 | Chevrolet | C3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet |
| 1992 | Chevrolet | C3500 | — | — | 6.2L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet |
| 1992 | Chevrolet | C3500 | — | — | 5.7L | V8 | 159.5" | N/A | with 15,000 (lb) Gross Vehicle Weight (GVW) |
| 1992 | Chevrolet | C3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet |
| 1992 | Chevrolet | C3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1992 | Chevrolet | C3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1992 | Chevrolet | C3500 | — | — | 5.7L | V8 | 135.5" | N/A | with 15,000 (lb) Gross Vehicle Weight (GVW) |
| 1992 | Chevrolet | C3500 | Cab & Chassis | — | 6.2L | V8 | 135.5" | N/A | — |
| 1992 | Chevrolet | C3500 | Cab & Chassis | — | 5.7L | V8 | 159.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1992 | Chevrolet | C3500 | Cab & Chassis | — | 5.7L | V8 | 135.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1992 | Chevrolet | C3500 | Cab & Chassis | — | 6.2L | V8 | 159.5" | N/A | — |
| 1992 | Chevrolet | G10 | — | — | 5.7L | V8 | 125.0" | N/A | — |
| 1992 | Chevrolet | G20 | — | — | 5.7L | V8 | 125.0" | N/A | — |
| 1992 | Chevrolet | G30 | — | — | 5.7L | V8 | 125.0" | N/A | with Single Catalytic Converter |
| 1992 | Chevrolet | G30 | — | — | 4.3L | V6 | 125.0" | N/A | Over 8500 (lb) GVW |
| 1992 | Chevrolet | G30 | — | — | 5.7L | V8 | 146.0" | N/A | with Single Catalytic Converter |
| 1992 | Chevrolet | K1500 | — | — | 6.2L | V8 | 141.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1992 | Chevrolet | K1500 | — | — | 5.0L | V8 | 141.5" | N/A | — |
| 1992 | Chevrolet | K1500 | — | — | 5.0L | V8 | 155.5" | N/A | — |
| 1992 | Chevrolet | K1500 | — | — | 4.3L | V6 | 117.5" | N/A | without Welded Converter |
| 1992 | Chevrolet | K1500 | — | — | 5.7L | V8 | 141.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1992 | Chevrolet | K1500 | — | — | 5.0L | V8 | 131.5" | N/A | without Welded Converter |
| 1992 | Chevrolet | K1500 | — | — | 4.3L | V6 | 141.5" | N/A | — |
| 1992 | Chevrolet | K1500 | — | — | 4.3L | V6 | 155.5" | N/A | — |
| 1992 | Chevrolet | K1500 | — | — | 5.0L | V8 | 117.5" | N/A | without Welded Converter |
| 1992 | Chevrolet | K1500 | — | — | 4.3L | V6 | 131.5" | N/A | without Welded Converter |
| 1992 | Chevrolet | K1500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1992 | Chevrolet | K1500 | — | — | 6.2L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1992 | Chevrolet | K1500 | — | — | 5.7L | V8 | 117.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1992 | Chevrolet | K1500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1992 | Chevrolet | K1500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1992 | Chevrolet | K1500 | — | — | 6.2L | V8 | — | N/A | with 3 (in) Muffler Inlet |
| 1992 | Chevrolet | K1500 | — | — | 5.7L | V8 | — | N/A | with 3 (in) Muffler Inlet; without Welded Converter |
| 1992 | Chevrolet | K1500 Suburban | — | — | 5.7L | V8 | 131.5" | N/A | without Welded Converter |
| 1992 | Chevrolet | K2500 | — | — | 6.2L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1992 | Chevrolet | K2500 | — | — | 6.2L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1992 | Chevrolet | K2500 | — | — | 6.2L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1992 | Chevrolet | K2500 | — | — | 6.2L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1992 | Chevrolet | K2500 | — | — | 6.2L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1992 | Chevrolet | K2500 | — | — | 6.2L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1992 | Chevrolet | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1992 | Chevrolet | K2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1992 | Chevrolet | K2500 | — | — | 4.3L | V6 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1992 | Chevrolet | K2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1992 | Chevrolet | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1992 | Chevrolet | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1992 | Chevrolet | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1992 | Chevrolet | K2500 | — | — | 4.3L | V6 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1992 | Chevrolet | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1992 | Chevrolet | K2500 | — | — | 4.3L | V6 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1992 | Chevrolet | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1992 | Chevrolet | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1992 | Chevrolet | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1992 | Chevrolet | K2500 | — | — | 6.2L | V8 | — | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1992 | Chevrolet | K2500 | — | — | 5.0L | V8 | — | N/A | Below 8500 (lb) GVW |
| 1992 | Chevrolet | K2500 | — | — | 4.3L | V6 | — | N/A | Below 8500 (lb) GVW |
| 1992 | Chevrolet | K2500 Suburban | — | — | 5.7L | V8 | 131.5" | N/A | — |
| 1992 | Chevrolet | K3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1992 | Chevrolet | K3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1992 | Chevrolet | K3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet; with Single Catalytic Converter |
| 1992 | Chevrolet | K3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet; with Single Catalytic Converter |
| 1992 | Chevrolet | K3500 | — | — | 5.7L | V8 | 168.5" | N/A | — |
| 1992 | Chevrolet | K3500 | — | — | 6.2L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet |
| 1992 | Chevrolet | K3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet |
| 1992 | Chevrolet | K3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1992 | Chevrolet | K3500 | Cab & Chassis | — | 6.2L | V8 | 159.5" | N/A | — |
| 1992 | Chevrolet | K3500 | Cab & Chassis | — | 6.2L | V8 | 135.5" | N/A | — |
| 1992 | Chevrolet | K3500 | Cab & Chassis | — | 5.7L | V8 | 159.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1992 | Chevrolet | K3500 | Cab & Chassis | — | 5.7L | V8 | 135.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1992 | Chevrolet | P30 | — | — | 4.3L | V6 | 125.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1992 | Chevrolet | P30 | — | — | 4.3L | V6 | 133.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1992 | Chevrolet | P30 | — | — | 4.3L | V6 | 157.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1992 | Chevrolet | P30 | — | — | 5.7L | V8 | 125.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1992 | Chevrolet | P30 | — | — | 5.7L | V8 | 178.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1992 | Chevrolet | P30 | — | — | 5.7L | V8 | 133.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1992 | Chevrolet | P30 | — | — | 5.7L | V8 | 157.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1992 | Chevrolet | P30 | — | — | 4.3L | V6 | 178.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1992 | Chevrolet | S10 | — | RWD | 4.3L | V6 | — | N/A | — |
| 1992 | Chevrolet | S10 | — | 4WD | 4.3L | V6 | — | N/A | without Syclone Or HD Off Road Package |
| 1992 | Chevrolet | S10 Blazer | — | — | 4.3L | V6 | — | N/A | — |
| 1992 | GMC | C1500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1992 | GMC | C1500 | — | — | 4.3L | V6 | 131.5" | N/A | without Welded Converter |
| 1992 | GMC | C1500 | — | — | 5.7L | V8 | 117.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1992 | GMC | C1500 | — | — | 4.3L | V6 | 117.5" | N/A | without Welded Converter |
| 1992 | GMC | C1500 | — | — | 5.0L | V8 | 141.5" | N/A | — |
| 1992 | GMC | C1500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1992 | GMC | C1500 | — | — | 6.2L | V8 | 141.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1992 | GMC | C1500 | — | — | 4.3L | V6 | 141.5" | N/A | — |
| 1992 | GMC | C1500 | — | — | 5.0L | V8 | 155.5" | N/A | — |
| 1992 | GMC | C1500 | — | — | 5.7L | V8 | 141.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1992 | GMC | C1500 | — | — | 5.0L | V8 | 117.5" | N/A | without Welded Converter |
| 1992 | GMC | C1500 | — | — | 5.0L | V8 | 131.5" | N/A | without Welded Converter |
| 1992 | GMC | C1500 | — | — | 6.2L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1992 | GMC | C1500 | — | — | 4.3L | V6 | 155.5" | N/A | — |
| 1992 | GMC | C1500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1992 | GMC | C1500 | — | — | 6.2L | V8 | — | N/A | with 3 (in) Muffler Inlet |
| 1992 | GMC | C1500 | — | — | 5.7L | V8 | — | N/A | with 3 (in) Muffler Inlet; without Welded Converter |
| 1992 | GMC | C1500 Suburban | — | — | 5.7L | V8 | 131.5" | N/A | without Welded Converter |
| 1992 | GMC | C2500 | — | — | 6.2L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1992 | GMC | C2500 | — | — | 6.2L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1992 | GMC | C2500 | — | — | 6.2L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1992 | GMC | C2500 | — | — | 6.2L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1992 | GMC | C2500 | — | — | 6.2L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1992 | GMC | C2500 | — | — | 6.2L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1992 | GMC | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1992 | GMC | C2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1992 | GMC | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1992 | GMC | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1992 | GMC | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1992 | GMC | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1992 | GMC | C2500 | — | — | 4.3L | V6 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1992 | GMC | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1992 | GMC | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1992 | GMC | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1992 | GMC | C2500 | — | — | 4.3L | V6 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1992 | GMC | C2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1992 | GMC | C2500 | — | — | 6.2L | V8 | — | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1992 | GMC | C2500 | — | — | 4.3L | V6 | — | N/A | Below 8500 (lb) GVW |
| 1992 | GMC | C2500 | — | — | 5.0L | V8 | — | N/A | Below 8500 (lb) GVW |
| 1992 | GMC | C2500 Suburban | — | — | 5.7L | V8 | 131.5" | N/A | — |
| 1992 | GMC | C3500 | — | — | 5.7L | V8 | 135.5" | N/A | with 15,000 (lb) Gross Vehicle Weight (GVW) |
| 1992 | GMC | C3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1992 | GMC | C3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet |
| 1992 | GMC | C3500 | — | — | 5.7L | V8 | 159.5" | N/A | with 15,000 (lb) Gross Vehicle Weight (GVW) |
| 1992 | GMC | C3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1992 | GMC | C3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet |
| 1992 | GMC | C3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1992 | GMC | C3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet |
| 1992 | GMC | C3500 | — | — | 5.7L | V8 | 168.5" | N/A | — |
| 1992 | GMC | C3500 | — | — | 6.2L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet |
| 1992 | GMC | C3500 | Cab & Chassis | — | 5.7L | V8 | 135.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1992 | GMC | C3500 | Cab & Chassis | — | 6.2L | V8 | 159.5" | N/A | — |
| 1992 | GMC | C3500 | Cab & Chassis | — | 5.7L | V8 | 159.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1992 | GMC | C3500 | Cab & Chassis | — | 6.2L | V8 | 135.5" | N/A | — |
| 1992 | GMC | G1500 | — | — | 5.7L | V8 | 125.0" | N/A | — |
| 1992 | GMC | G2500 | — | — | 5.7L | V8 | 125.0" | N/A | — |
| 1992 | GMC | G3500 | — | — | 5.7L | V8 | 125.0" | N/A | with Single Catalytic Converter |
| 1992 | GMC | G3500 | — | — | 4.3L | V6 | 125.0" | N/A | Over 8500 (lb) GVW |
| 1992 | GMC | G3500 | — | — | 5.7L | V8 | 146.0" | N/A | with Single Catalytic Converter |
| 1992 | GMC | Jimmy | — | — | 4.3L | V6 | — | N/A | — |
| 1992 | GMC | K1500 | — | — | 5.0L | V8 | 131.5" | N/A | without Welded Converter |
| 1992 | GMC | K1500 | — | — | 5.7L | V8 | 117.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1992 | GMC | K1500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1992 | GMC | K1500 | — | — | 4.3L | V6 | 155.5" | N/A | — |
| 1992 | GMC | K1500 | — | — | 5.0L | V8 | 155.5" | N/A | — |
| 1992 | GMC | K1500 | — | — | 6.2L | V8 | 141.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1992 | GMC | K1500 | — | — | 6.2L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1992 | GMC | K1500 | — | — | 4.3L | V6 | 117.5" | N/A | without Welded Converter |
| 1992 | GMC | K1500 | — | — | 5.0L | V8 | 117.5" | N/A | without Welded Converter |
| 1992 | GMC | K1500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1992 | GMC | K1500 | — | — | 4.3L | V6 | 141.5" | N/A | — |
| 1992 | GMC | K1500 | — | — | 5.0L | V8 | 141.5" | N/A | — |
| 1992 | GMC | K1500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1992 | GMC | K1500 | — | — | 4.3L | V6 | 131.5" | N/A | without Welded Converter |
| 1992 | GMC | K1500 | — | — | 5.7L | V8 | 141.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1992 | GMC | K1500 | — | — | 5.7L | V8 | — | N/A | with 3 (in) Muffler Inlet; without Welded Converter |
| 1992 | GMC | K1500 | — | — | 6.2L | V8 | — | N/A | with 3 (in) Muffler Inlet |
| 1992 | GMC | K1500 Suburban | — | — | 5.7L | V8 | 131.5" | N/A | without Welded Converter |
| 1992 | GMC | K2500 | — | — | 6.2L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1992 | GMC | K2500 | — | — | 6.2L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1992 | GMC | K2500 | — | — | 6.2L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1992 | GMC | K2500 | — | — | 6.2L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1992 | GMC | K2500 | — | — | 6.2L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1992 | GMC | K2500 | — | — | 6.2L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1992 | GMC | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1992 | GMC | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1992 | GMC | K2500 | — | — | 4.3L | V6 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1992 | GMC | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1992 | GMC | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1992 | GMC | K2500 | — | — | 4.3L | V6 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1992 | GMC | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1992 | GMC | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1992 | GMC | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1992 | GMC | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1992 | GMC | K2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1992 | GMC | K2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1992 | GMC | K2500 | — | — | 4.3L | V6 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1992 | GMC | K2500 | — | — | 6.2L | V8 | — | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1992 | GMC | K2500 | — | — | 4.3L | V6 | — | N/A | Below 8500 (lb) GVW |
| 1992 | GMC | K2500 | — | — | 5.0L | V8 | — | N/A | Below 8500 (lb) GVW |
| 1992 | GMC | K2500 Suburban | — | — | 5.7L | V8 | 131.5" | N/A | — |
| 1992 | GMC | K3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet; with Single Catalytic Converter |
| 1992 | GMC | K3500 | — | — | 6.2L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet |
| 1992 | GMC | K3500 | — | — | 5.7L | V8 | 168.5" | N/A | — |
| 1992 | GMC | K3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1992 | GMC | K3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1992 | GMC | K3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet; with Single Catalytic Converter |
| 1992 | GMC | K3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1992 | GMC | K3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet |
| 1992 | GMC | K3500 | Cab & Chassis | — | 6.2L | V8 | 135.5" | N/A | — |
| 1992 | GMC | K3500 | Cab & Chassis | — | 6.2L | V8 | 159.5" | N/A | — |
| 1992 | GMC | K3500 | Cab & Chassis | — | 5.7L | V8 | 159.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1992 | GMC | K3500 | Cab & Chassis | — | 5.7L | V8 | 135.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1992 | GMC | Safari | — | — | 4.3L | V6 | — | N/A | without High Output |
| 1992 | GMC | Safari | — | — | 4.3L | V6 | — | N/A | High Output |
| 1992 | GMC | Sonoma | — | 4WD | 4.3L | V6 | — | N/A | — |
| 1992 | GMC | Sonoma | — | RWD | 4.3L | V6 | — | N/A | — |
| 1992 | GMC | Yukon | — | 4WD | 5.7L | V8 | — | N/A | with Single Catalytic Converter |
| 1992 | Oldsmobile | Bravada | — | — | 4.3L | V6 | — | N/A | — |
| 1991 | Chevrolet | Blazer | — | 4WD | 5.7L | V8 | — | N/A | with 3 (in) Inlet |
| 1991 | Chevrolet | C1500 | — | — | 4.3L | V6 | 155.5" | N/A | — |
| 1991 | Chevrolet | C1500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1991 | Chevrolet | C1500 | — | — | 4.3L | V6 | 131.5" | N/A | without Welded Converter |
| 1991 | Chevrolet | C1500 | — | — | 5.0L | V8 | 141.5" | N/A | — |
| 1991 | Chevrolet | C1500 | — | — | 5.7L | V8 | 117.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1991 | Chevrolet | C1500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1991 | Chevrolet | C1500 | — | — | 4.3L | V6 | 117.5" | N/A | without Welded Converter |
| 1991 | Chevrolet | C1500 | — | — | 5.0L | V8 | 131.5" | N/A | without Welded Converter |
| 1991 | Chevrolet | C1500 | — | — | 5.0L | V8 | 155.5" | N/A | — |
| 1991 | Chevrolet | C1500 | — | — | 6.2L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1991 | Chevrolet | C1500 | — | — | 5.0L | V8 | 117.5" | N/A | without Welded Converter |
| 1991 | Chevrolet | C1500 | — | — | 5.7L | V8 | 141.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1991 | Chevrolet | C1500 | — | — | 4.3L | V6 | 141.5" | N/A | — |
| 1991 | Chevrolet | C1500 | — | — | 6.2L | V8 | 141.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1991 | Chevrolet | C1500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1991 | Chevrolet | C1500 | — | — | 6.2L | V8 | — | N/A | with 3 (in) Muffler Inlet |
| 1991 | Chevrolet | C1500 | — | — | 5.7L | V8 | — | N/A | with 3 (in) Muffler Inlet; without Welded Converter |
| 1991 | Chevrolet | C2500 | — | — | 6.2L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1991 | Chevrolet | C2500 | — | — | 6.2L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1991 | Chevrolet | C2500 | — | — | 6.2L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1991 | Chevrolet | C2500 | — | — | 6.2L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1991 | Chevrolet | C2500 | — | — | 6.2L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1991 | Chevrolet | C2500 | — | — | 6.2L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1991 | Chevrolet | C2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1991 | Chevrolet | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1991 | Chevrolet | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1991 | Chevrolet | C2500 | — | — | 4.3L | V6 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1991 | Chevrolet | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1991 | Chevrolet | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1991 | Chevrolet | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1991 | Chevrolet | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1991 | Chevrolet | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1991 | Chevrolet | C2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1991 | Chevrolet | C2500 | — | — | 4.3L | V6 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1991 | Chevrolet | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1991 | Chevrolet | C2500 | — | — | 6.2L | V8 | — | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1991 | Chevrolet | C2500 | — | — | 5.0L | V8 | — | N/A | Below 8500 (lb) GVW |
| 1991 | Chevrolet | C2500 | — | — | 4.3L | V6 | — | N/A | Below 8500 (lb) GVW |
| 1991 | Chevrolet | C3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet |
| 1991 | Chevrolet | C3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1991 | Chevrolet | C3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet |
| 1991 | Chevrolet | C3500 | — | — | 6.2L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet |
| 1991 | Chevrolet | C3500 | — | — | 5.7L | V8 | 159.5" | N/A | with 15,000 (lb) Gross Vehicle Weight (GVW) |
| 1991 | Chevrolet | C3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet |
| 1991 | Chevrolet | C3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1991 | Chevrolet | C3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1991 | Chevrolet | C3500 | — | — | 5.7L | V8 | 135.5" | N/A | with 15,000 (lb) Gross Vehicle Weight (GVW) |
| 1991 | Chevrolet | C3500 | Cab & Chassis | — | 6.2L | V8 | 135.5" | N/A | — |
| 1991 | Chevrolet | C3500 | Cab & Chassis | — | 5.7L | V8 | 159.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1991 | Chevrolet | C3500 | Cab & Chassis | — | 5.7L | V8 | 135.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1991 | Chevrolet | C3500 | Cab & Chassis | — | 6.2L | V8 | 159.5" | N/A | — |
| 1991 | Chevrolet | G10 | — | — | 5.7L | V8 | 125.0" | N/A | — |
| 1991 | Chevrolet | G20 | — | — | 5.7L | V8 | 125.0" | N/A | with Light Duty Emissions; with Single Catalytic Converter |
| 1991 | Chevrolet | G30 | — | — | 5.7L | V8 | 146.0" | N/A | — |
| 1991 | Chevrolet | G30 | — | — | 5.7L | V8 | 125.0" | N/A | — |
| 1991 | Chevrolet | K1500 | — | — | 6.2L | V8 | 141.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1991 | Chevrolet | K1500 | — | — | 5.0L | V8 | 141.5" | N/A | — |
| 1991 | Chevrolet | K1500 | — | — | 5.0L | V8 | 155.5" | N/A | — |
| 1991 | Chevrolet | K1500 | — | — | 4.3L | V6 | 117.5" | N/A | without Welded Converter |
| 1991 | Chevrolet | K1500 | — | — | 5.7L | V8 | 141.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1991 | Chevrolet | K1500 | — | — | 5.0L | V8 | 131.5" | N/A | without Welded Converter |
| 1991 | Chevrolet | K1500 | — | — | 4.3L | V6 | 141.5" | N/A | — |
| 1991 | Chevrolet | K1500 | — | — | 4.3L | V6 | 155.5" | N/A | — |
| 1991 | Chevrolet | K1500 | — | — | 5.0L | V8 | 117.5" | N/A | without Welded Converter |
| 1991 | Chevrolet | K1500 | — | — | 4.3L | V6 | 131.5" | N/A | without Welded Converter |
| 1991 | Chevrolet | K1500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1991 | Chevrolet | K1500 | — | — | 6.2L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1991 | Chevrolet | K1500 | — | — | 5.7L | V8 | 117.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1991 | Chevrolet | K1500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1991 | Chevrolet | K1500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1991 | Chevrolet | K1500 | — | — | 6.2L | V8 | — | N/A | with 3 (in) Muffler Inlet |
| 1991 | Chevrolet | K1500 | — | — | 5.7L | V8 | — | N/A | with 3 (in) Muffler Inlet; without Welded Converter |
| 1991 | Chevrolet | K2500 | — | — | 6.2L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1991 | Chevrolet | K2500 | — | — | 6.2L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1991 | Chevrolet | K2500 | — | — | 6.2L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1991 | Chevrolet | K2500 | — | — | 6.2L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1991 | Chevrolet | K2500 | — | — | 6.2L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1991 | Chevrolet | K2500 | — | — | 6.2L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1991 | Chevrolet | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1991 | Chevrolet | K2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1991 | Chevrolet | K2500 | — | — | 4.3L | V6 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1991 | Chevrolet | K2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1991 | Chevrolet | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1991 | Chevrolet | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1991 | Chevrolet | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1991 | Chevrolet | K2500 | — | — | 4.3L | V6 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1991 | Chevrolet | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1991 | Chevrolet | K2500 | — | — | 4.3L | V6 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1991 | Chevrolet | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1991 | Chevrolet | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1991 | Chevrolet | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1991 | Chevrolet | K2500 | — | — | 6.2L | V8 | — | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1991 | Chevrolet | K2500 | — | — | 5.0L | V8 | — | N/A | Below 8500 (lb) GVW |
| 1991 | Chevrolet | K2500 | — | — | 4.3L | V6 | — | N/A | Below 8500 (lb) GVW |
| 1991 | Chevrolet | K3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1991 | Chevrolet | K3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1991 | Chevrolet | K3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet; with Single Catalytic Converter |
| 1991 | Chevrolet | K3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet; with Single Catalytic Converter |
| 1991 | Chevrolet | K3500 | — | — | 6.2L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet |
| 1991 | Chevrolet | K3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet |
| 1991 | Chevrolet | K3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1991 | Chevrolet | K3500 | Cab & Chassis | — | 6.2L | V8 | 159.5" | N/A | — |
| 1991 | Chevrolet | K3500 | Cab & Chassis | — | 6.2L | V8 | 135.5" | N/A | — |
| 1991 | Chevrolet | K3500 | Cab & Chassis | — | 5.7L | V8 | 159.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1991 | Chevrolet | K3500 | Cab & Chassis | — | 5.7L | V8 | 135.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1991 | Chevrolet | P30 | — | — | 4.3L | V6 | 125.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1991 | Chevrolet | P30 | — | — | 4.3L | V6 | 133.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1991 | Chevrolet | P30 | — | — | 4.3L | V6 | 157.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1991 | Chevrolet | P30 | — | — | 5.7L | V8 | 125.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1991 | Chevrolet | P30 | — | — | 5.7L | V8 | 178.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1991 | Chevrolet | P30 | — | — | 5.7L | V8 | 133.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1991 | Chevrolet | P30 | — | — | 5.7L | V8 | 157.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1991 | Chevrolet | P30 | — | — | 4.3L | V6 | 178.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1991 | Chevrolet | R1500 Suburban | — | — | 5.7L | V8 | 129.5" | N/A | with 3 (in) Diameter Outlet |
| 1991 | Chevrolet | R2500 Suburban | — | — | 5.7L | V8 | 129.5" | N/A | with 3 (in) Diameter Outlet |
| 1991 | Chevrolet | R3500 | — | — | 5.7L | V8 | — | N/A | — |
| 1991 | Chevrolet | S10 | — | 4WD | 4.3L | V6 | — | N/A | — |
| 1991 | Chevrolet | S10 | — | RWD | 4.3L | V6 | — | N/A | — |
| 1991 | Chevrolet | S10 Blazer | — | — | 4.3L | V6 | — | N/A | — |
| 1991 | Chevrolet | V1500 Suburban | — | — | 5.7L | V8 | 129.5" | N/A | — |
| 1991 | Chevrolet | V2500 Suburban | — | — | 5.7L | V8 | 129.5" | N/A | with Light Duty Emissions; with Single Catalytic Converter |
| 1991 | Chevrolet | V3500 | — | — | 5.7L | V8 | — | N/A | — |
| 1991 | GMC | C1500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1991 | GMC | C1500 | — | — | 4.3L | V6 | 131.5" | N/A | without Welded Converter |
| 1991 | GMC | C1500 | — | — | 5.7L | V8 | 117.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1991 | GMC | C1500 | — | — | 4.3L | V6 | 117.5" | N/A | without Welded Converter |
| 1991 | GMC | C1500 | — | — | 5.0L | V8 | 141.5" | N/A | — |
| 1991 | GMC | C1500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1991 | GMC | C1500 | — | — | 6.2L | V8 | 141.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1991 | GMC | C1500 | — | — | 4.3L | V6 | 141.5" | N/A | — |
| 1991 | GMC | C1500 | — | — | 5.0L | V8 | 155.5" | N/A | — |
| 1991 | GMC | C1500 | — | — | 5.7L | V8 | 141.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1991 | GMC | C1500 | — | — | 5.0L | V8 | 117.5" | N/A | without Welded Converter |
| 1991 | GMC | C1500 | — | — | 5.0L | V8 | 131.5" | N/A | without Welded Converter |
| 1991 | GMC | C1500 | — | — | 6.2L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1991 | GMC | C1500 | — | — | 4.3L | V6 | 155.5" | N/A | — |
| 1991 | GMC | C1500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1991 | GMC | C1500 | — | — | 6.2L | V8 | — | N/A | with 3 (in) Muffler Inlet |
| 1991 | GMC | C1500 | — | — | 5.7L | V8 | — | N/A | with 3 (in) Muffler Inlet; without Welded Converter |
| 1991 | GMC | C2500 | — | — | 6.2L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1991 | GMC | C2500 | — | — | 6.2L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1991 | GMC | C2500 | — | — | 6.2L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1991 | GMC | C2500 | — | — | 6.2L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1991 | GMC | C2500 | — | — | 6.2L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1991 | GMC | C2500 | — | — | 6.2L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1991 | GMC | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1991 | GMC | C2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1991 | GMC | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1991 | GMC | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1991 | GMC | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1991 | GMC | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1991 | GMC | C2500 | — | — | 4.3L | V6 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1991 | GMC | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1991 | GMC | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1991 | GMC | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1991 | GMC | C2500 | — | — | 4.3L | V6 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1991 | GMC | C2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1991 | GMC | C2500 | — | — | 6.2L | V8 | — | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1991 | GMC | C2500 | — | — | 4.3L | V6 | — | N/A | Below 8500 (lb) GVW |
| 1991 | GMC | C2500 | — | — | 5.0L | V8 | — | N/A | Below 8500 (lb) GVW |
| 1991 | GMC | C3500 | — | — | 5.7L | V8 | 135.5" | N/A | with 15,000 (lb) Gross Vehicle Weight (GVW) |
| 1991 | GMC | C3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1991 | GMC | C3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet |
| 1991 | GMC | C3500 | — | — | 5.7L | V8 | 159.5" | N/A | with 15,000 (lb) Gross Vehicle Weight (GVW) |
| 1991 | GMC | C3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1991 | GMC | C3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet |
| 1991 | GMC | C3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1991 | GMC | C3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet |
| 1991 | GMC | C3500 | — | — | 6.2L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet |
| 1991 | GMC | C3500 | Cab & Chassis | — | 5.7L | V8 | 135.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1991 | GMC | C3500 | Cab & Chassis | — | 6.2L | V8 | 159.5" | N/A | — |
| 1991 | GMC | C3500 | Cab & Chassis | — | 5.7L | V8 | 159.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1991 | GMC | C3500 | Cab & Chassis | — | 6.2L | V8 | 135.5" | N/A | — |
| 1991 | GMC | G1500 | — | — | 5.7L | V8 | 125.0" | N/A | — |
| 1991 | GMC | G2500 | — | — | 5.7L | V8 | 125.0" | N/A | with Light Duty Emissions; with Single Catalytic Converter |
| 1991 | GMC | G3500 | — | — | 5.7L | V8 | 125.0" | N/A | — |
| 1991 | GMC | G3500 | — | — | 5.7L | V8 | 146.0" | N/A | — |
| 1991 | GMC | Jimmy | — | 4WD | 5.7L | V8 | — | N/A | with 3 (in) Inlet |
| 1991 | GMC | K1500 | — | — | 5.0L | V8 | 131.5" | N/A | without Welded Converter |
| 1991 | GMC | K1500 | — | — | 5.7L | V8 | 117.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1991 | GMC | K1500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1991 | GMC | K1500 | — | — | 4.3L | V6 | 155.5" | N/A | — |
| 1991 | GMC | K1500 | — | — | 5.0L | V8 | 155.5" | N/A | — |
| 1991 | GMC | K1500 | — | — | 6.2L | V8 | 141.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1991 | GMC | K1500 | — | — | 6.2L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1991 | GMC | K1500 | — | — | 4.3L | V6 | 117.5" | N/A | without Welded Converter |
| 1991 | GMC | K1500 | — | — | 5.0L | V8 | 117.5" | N/A | without Welded Converter |
| 1991 | GMC | K1500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1991 | GMC | K1500 | — | — | 4.3L | V6 | 141.5" | N/A | — |
| 1991 | GMC | K1500 | — | — | 5.0L | V8 | 141.5" | N/A | — |
| 1991 | GMC | K1500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1991 | GMC | K1500 | — | — | 4.3L | V6 | 131.5" | N/A | without Welded Converter |
| 1991 | GMC | K1500 | — | — | 5.7L | V8 | 141.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1991 | GMC | K1500 | — | — | 5.7L | V8 | — | N/A | with 3 (in) Muffler Inlet; without Welded Converter |
| 1991 | GMC | K1500 | — | — | 6.2L | V8 | — | N/A | with 3 (in) Muffler Inlet |
| 1991 | GMC | K2500 | — | — | 6.2L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1991 | GMC | K2500 | — | — | 6.2L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1991 | GMC | K2500 | — | — | 6.2L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1991 | GMC | K2500 | — | — | 6.2L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1991 | GMC | K2500 | — | — | 6.2L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1991 | GMC | K2500 | — | — | 6.2L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1991 | GMC | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1991 | GMC | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1991 | GMC | K2500 | — | — | 4.3L | V6 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1991 | GMC | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1991 | GMC | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1991 | GMC | K2500 | — | — | 4.3L | V6 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1991 | GMC | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1991 | GMC | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1991 | GMC | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1991 | GMC | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1991 | GMC | K2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1991 | GMC | K2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1991 | GMC | K2500 | — | — | 4.3L | V6 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1991 | GMC | K2500 | — | — | 6.2L | V8 | — | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1991 | GMC | K2500 | — | — | 4.3L | V6 | — | N/A | Below 8500 (lb) GVW |
| 1991 | GMC | K2500 | — | — | 5.0L | V8 | — | N/A | Below 8500 (lb) GVW |
| 1991 | GMC | K3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet; with Single Catalytic Converter |
| 1991 | GMC | K3500 | — | — | 6.2L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet |
| 1991 | GMC | K3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1991 | GMC | K3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1991 | GMC | K3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet; with Single Catalytic Converter |
| 1991 | GMC | K3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1991 | GMC | K3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet |
| 1991 | GMC | K3500 | Cab & Chassis | — | 6.2L | V8 | 135.5" | N/A | — |
| 1991 | GMC | K3500 | Cab & Chassis | — | 6.2L | V8 | 159.5" | N/A | — |
| 1991 | GMC | K3500 | Cab & Chassis | — | 5.7L | V8 | 159.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1991 | GMC | K3500 | Cab & Chassis | — | 5.7L | V8 | 135.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1991 | GMC | R1500 Suburban | — | — | 5.7L | V8 | 129.5" | N/A | with 3 (in) Diameter Outlet |
| 1991 | GMC | R2500 Suburban | — | — | 5.7L | V8 | 129.5" | N/A | with 3 (in) Diameter Outlet |
| 1991 | GMC | R3500 | — | — | 5.7L | V8 | — | N/A | — |
| 1991 | GMC | S15 Jimmy | — | — | 4.3L | V6 | — | N/A | — |
| 1991 | GMC | Sonoma | — | 4WD | 4.3L | V6 | — | N/A | — |
| 1991 | GMC | V1500 Suburban | — | — | 5.7L | V8 | 129.5" | N/A | — |
| 1991 | GMC | V2500 Suburban | — | — | 5.7L | V8 | 129.5" | N/A | with Light Duty Emissions; with Single Catalytic Converter |
| 1991 | GMC | V3500 | — | — | 5.7L | V8 | — | N/A | — |
| 1991 | Oldsmobile | Bravada | — | — | 4.3L | V6 | — | N/A | — |
| 1990 | Chevrolet | Blazer | — | 4WD | 5.7L | V8 | — | N/A | with 3 (in) Inlet |
| 1990 | Chevrolet | C1500 | — | — | 4.3L | V6 | 155.5" | N/A | — |
| 1990 | Chevrolet | C1500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | Chevrolet | C1500 | — | — | 4.3L | V6 | 131.5" | N/A | without Welded Converter |
| 1990 | Chevrolet | C1500 | — | — | 5.0L | V8 | 141.5" | N/A | — |
| 1990 | Chevrolet | C1500 | — | — | 5.7L | V8 | 117.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | Chevrolet | C1500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | Chevrolet | C1500 | — | — | 4.3L | V6 | 117.5" | N/A | without Welded Converter |
| 1990 | Chevrolet | C1500 | — | — | 5.0L | V8 | 131.5" | N/A | without Welded Converter |
| 1990 | Chevrolet | C1500 | — | — | 5.0L | V8 | 155.5" | N/A | — |
| 1990 | Chevrolet | C1500 | — | — | 6.2L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | Chevrolet | C1500 | — | — | 5.0L | V8 | 117.5" | N/A | without Welded Converter |
| 1990 | Chevrolet | C1500 | — | — | 5.7L | V8 | 141.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | Chevrolet | C1500 | — | — | 4.3L | V6 | 141.5" | N/A | — |
| 1990 | Chevrolet | C1500 | — | — | 6.2L | V8 | 141.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | Chevrolet | C1500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | Chevrolet | C1500 | — | — | 6.2L | V8 | — | N/A | with 3 (in) Muffler Inlet |
| 1990 | Chevrolet | C1500 | — | — | 5.7L | V8 | — | N/A | with 3 (in) Muffler Inlet; without Welded Converter |
| 1990 | Chevrolet | C2500 | — | — | 6.2L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1990 | Chevrolet | C2500 | — | — | 6.2L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1990 | Chevrolet | C2500 | — | — | 6.2L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1990 | Chevrolet | C2500 | — | — | 6.2L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1990 | Chevrolet | C2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1990 | Chevrolet | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1990 | Chevrolet | C2500 | — | — | 4.3L | V6 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1990 | Chevrolet | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1990 | Chevrolet | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1990 | Chevrolet | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet; with 8,500 (lb) Gross Vehicle Weight (GVW) |
| 1990 | Chevrolet | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1990 | Chevrolet | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet; with 8,500 (lb) Gross Vehicle Weight (GVW) |
| 1990 | Chevrolet | C2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1990 | Chevrolet | C2500 | — | — | 4.3L | V6 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1990 | Chevrolet | C2500 | — | — | 6.2L | V8 | — | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1990 | Chevrolet | C2500 | — | — | 5.0L | V8 | — | N/A | Below 8500 (lb) GVW |
| 1990 | Chevrolet | C2500 | — | — | 4.3L | V6 | — | N/A | Below 8500 (lb) GVW |
| 1990 | Chevrolet | C3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet |
| 1990 | Chevrolet | C3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | Chevrolet | C3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet |
| 1990 | Chevrolet | C3500 | — | — | 6.2L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet |
| 1990 | Chevrolet | C3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet |
| 1990 | Chevrolet | C3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | Chevrolet | C3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | Chevrolet | C3500 | — | — | 6.2L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | Chevrolet | C3500 | Cab & Chassis | — | 6.2L | V8 | 135.5" | N/A | — |
| 1990 | Chevrolet | C3500 | Cab & Chassis | — | 5.7L | V8 | 159.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1990 | Chevrolet | C3500 | Cab & Chassis | — | 5.7L | V8 | 135.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1990 | Chevrolet | C3500 | Cab & Chassis | — | 6.2L | V8 | 159.5" | N/A | — |
| 1990 | Chevrolet | K1500 | — | — | 6.2L | V8 | 141.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | Chevrolet | K1500 | — | — | 5.0L | V8 | 141.5" | N/A | — |
| 1990 | Chevrolet | K1500 | — | — | 5.0L | V8 | 155.5" | N/A | — |
| 1990 | Chevrolet | K1500 | — | — | 4.3L | V6 | 117.5" | N/A | without Welded Converter |
| 1990 | Chevrolet | K1500 | — | — | 5.7L | V8 | 141.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | Chevrolet | K1500 | — | — | 5.0L | V8 | 131.5" | N/A | without Welded Converter |
| 1990 | Chevrolet | K1500 | — | — | 4.3L | V6 | 141.5" | N/A | — |
| 1990 | Chevrolet | K1500 | — | — | 4.3L | V6 | 155.5" | N/A | — |
| 1990 | Chevrolet | K1500 | — | — | 5.0L | V8 | 117.5" | N/A | without Welded Converter |
| 1990 | Chevrolet | K1500 | — | — | 4.3L | V6 | 131.5" | N/A | without Welded Converter |
| 1990 | Chevrolet | K1500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | Chevrolet | K1500 | — | — | 6.2L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | Chevrolet | K1500 | — | — | 5.7L | V8 | 117.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | Chevrolet | K1500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | Chevrolet | K1500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | Chevrolet | K1500 | — | — | 6.2L | V8 | — | N/A | with 3 (in) Muffler Inlet |
| 1990 | Chevrolet | K1500 | — | — | 5.7L | V8 | — | N/A | with 3 (in) Muffler Inlet; without Welded Converter |
| 1990 | Chevrolet | K2500 | — | — | 6.2L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1990 | Chevrolet | K2500 | — | — | 6.2L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1990 | Chevrolet | K2500 | — | — | 6.2L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1990 | Chevrolet | K2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1990 | Chevrolet | K2500 | — | — | 4.3L | V6 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1990 | Chevrolet | K2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1990 | Chevrolet | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1990 | Chevrolet | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet; with 8,500 (lb) Gross Vehicle Weight (GVW) |
| 1990 | Chevrolet | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1990 | Chevrolet | K2500 | — | — | 4.3L | V6 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1990 | Chevrolet | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1990 | Chevrolet | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet; with 8,500 (lb) Gross Vehicle Weight (GVW) |
| 1990 | Chevrolet | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1990 | Chevrolet | K2500 | — | — | 6.2L | V8 | — | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1990 | Chevrolet | K2500 | — | — | 5.0L | V8 | — | N/A | Below 8500 (lb) GVW |
| 1990 | Chevrolet | K2500 | — | — | 4.3L | V6 | — | N/A | Below 8500 (lb) GVW |
| 1990 | Chevrolet | K3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | Chevrolet | K3500 | — | — | 6.2L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | Chevrolet | K3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | Chevrolet | K3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet; with Single Catalytic Converter |
| 1990 | Chevrolet | K3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | Chevrolet | K3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet; with Single Catalytic Converter |
| 1990 | Chevrolet | K3500 | — | — | 6.2L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet |
| 1990 | Chevrolet | K3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet |
| 1990 | Chevrolet | K3500 | Cab & Chassis | — | 6.2L | V8 | 159.5" | N/A | — |
| 1990 | Chevrolet | K3500 | Cab & Chassis | — | 6.2L | V8 | 135.5" | N/A | — |
| 1990 | Chevrolet | K3500 | Cab & Chassis | — | 5.7L | V8 | 159.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1990 | Chevrolet | K3500 | Cab & Chassis | — | 5.7L | V8 | 135.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1990 | Chevrolet | P30 | — | — | 4.3L | V6 | 125.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1990 | Chevrolet | P30 | — | — | 4.3L | V6 | 133.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1990 | Chevrolet | P30 | — | — | 4.3L | V6 | 157.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1990 | Chevrolet | P30 | — | — | 5.7L | V8 | 125.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1990 | Chevrolet | P30 | — | — | 5.7L | V8 | 178.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1990 | Chevrolet | P30 | — | — | 5.7L | V8 | 133.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1990 | Chevrolet | P30 | — | — | 5.7L | V8 | 157.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1990 | Chevrolet | P30 | — | — | 4.3L | V6 | 178.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1990 | Chevrolet | R1500 Suburban | — | — | 5.7L | V8 | 129.5" | N/A | — |
| 1990 | Chevrolet | R2500 Suburban | — | — | 5.7L | V8 | — | N/A | with Single Catalytic Converter |
| 1990 | Chevrolet | R3500 | — | — | 5.7L | V8 | 164.5" | N/A | with Single Catalytic Converter |
| 1990 | Chevrolet | S10 | — | 4WD | 4.3L | V6 | — | N/A | — |
| 1990 | Chevrolet | S10 | — | RWD | 4.3L | V6 | — | N/A | — |
| 1990 | Chevrolet | S10 Blazer | — | — | 4.3L | V6 | — | N/A | — |
| 1990 | Chevrolet | V1500 Suburban | — | — | 5.7L | V8 | 129.5" | N/A | — |
| 1990 | Chevrolet | V2500 Suburban | — | — | 5.7L | V8 | 129.5" | N/A | with Light Duty Emissions; with Single Catalytic Converter |
| 1990 | Chevrolet | V3500 | — | — | 5.7L | V8 | 164.5" | N/A | with Single Catalytic Converter |
| 1990 | GMC | C1500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | GMC | C1500 | — | — | 4.3L | V6 | 131.5" | N/A | without Welded Converter |
| 1990 | GMC | C1500 | — | — | 5.7L | V8 | 117.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | GMC | C1500 | — | — | 4.3L | V6 | 117.5" | N/A | without Welded Converter |
| 1990 | GMC | C1500 | — | — | 5.0L | V8 | 141.5" | N/A | — |
| 1990 | GMC | C1500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | GMC | C1500 | — | — | 6.2L | V8 | 141.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | GMC | C1500 | — | — | 4.3L | V6 | 141.5" | N/A | — |
| 1990 | GMC | C1500 | — | — | 5.0L | V8 | 155.5" | N/A | — |
| 1990 | GMC | C1500 | — | — | 5.7L | V8 | 141.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | GMC | C1500 | — | — | 5.0L | V8 | 117.5" | N/A | without Welded Converter |
| 1990 | GMC | C1500 | — | — | 5.0L | V8 | 131.5" | N/A | without Welded Converter |
| 1990 | GMC | C1500 | — | — | 6.2L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | GMC | C1500 | — | — | 4.3L | V6 | 155.5" | N/A | — |
| 1990 | GMC | C1500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | GMC | C1500 | — | — | 6.2L | V8 | — | N/A | with 3 (in) Muffler Inlet |
| 1990 | GMC | C1500 | — | — | 5.7L | V8 | — | N/A | with 3 (in) Muffler Inlet; without Welded Converter |
| 1990 | GMC | C2500 | — | — | 6.2L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1990 | GMC | C2500 | — | — | 6.2L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1990 | GMC | C2500 | — | — | 6.2L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1990 | GMC | C2500 | — | — | 6.2L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1990 | GMC | C2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1990 | GMC | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1990 | GMC | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1990 | GMC | C2500 | — | — | 4.3L | V6 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1990 | GMC | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1990 | GMC | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet; with 8,500 (lb) Gross Vehicle Weight (GVW) |
| 1990 | GMC | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1990 | GMC | C2500 | — | — | 4.3L | V6 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1990 | GMC | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet; with 8,500 (lb) Gross Vehicle Weight (GVW) |
| 1990 | GMC | C2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1990 | GMC | C2500 | — | — | 6.2L | V8 | — | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1990 | GMC | C2500 | — | — | 4.3L | V6 | — | N/A | Below 8500 (lb) GVW |
| 1990 | GMC | C2500 | — | — | 5.0L | V8 | — | N/A | Below 8500 (lb) GVW |
| 1990 | GMC | C3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | GMC | C3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet |
| 1990 | GMC | C3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet |
| 1990 | GMC | C3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet |
| 1990 | GMC | C3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | GMC | C3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | GMC | C3500 | — | — | 6.2L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | GMC | C3500 | — | — | 6.2L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet |
| 1990 | GMC | C3500 | Cab & Chassis | — | 5.7L | V8 | 135.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1990 | GMC | C3500 | Cab & Chassis | — | 6.2L | V8 | 159.5" | N/A | — |
| 1990 | GMC | C3500 | Cab & Chassis | — | 5.7L | V8 | 159.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1990 | GMC | C3500 | Cab & Chassis | — | 6.2L | V8 | 135.5" | N/A | — |
| 1990 | GMC | Jimmy | — | 4WD | 5.7L | V8 | — | N/A | with 3 (in) Inlet |
| 1990 | GMC | K1500 | — | — | 5.0L | V8 | 131.5" | N/A | without Welded Converter |
| 1990 | GMC | K1500 | — | — | 5.7L | V8 | 117.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | GMC | K1500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | GMC | K1500 | — | — | 4.3L | V6 | 155.5" | N/A | — |
| 1990 | GMC | K1500 | — | — | 5.0L | V8 | 155.5" | N/A | — |
| 1990 | GMC | K1500 | — | — | 6.2L | V8 | 141.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | GMC | K1500 | — | — | 6.2L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | GMC | K1500 | — | — | 4.3L | V6 | 117.5" | N/A | without Welded Converter |
| 1990 | GMC | K1500 | — | — | 5.0L | V8 | 117.5" | N/A | without Welded Converter |
| 1990 | GMC | K1500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | GMC | K1500 | — | — | 4.3L | V6 | 141.5" | N/A | — |
| 1990 | GMC | K1500 | — | — | 5.0L | V8 | 141.5" | N/A | — |
| 1990 | GMC | K1500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | GMC | K1500 | — | — | 4.3L | V6 | 131.5" | N/A | without Welded Converter |
| 1990 | GMC | K1500 | — | — | 5.7L | V8 | 141.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | GMC | K1500 | — | — | 5.7L | V8 | — | N/A | with 3 (in) Muffler Inlet; without Welded Converter |
| 1990 | GMC | K1500 | — | — | 6.2L | V8 | — | N/A | with 3 (in) Muffler Inlet |
| 1990 | GMC | K2500 | — | — | 6.2L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1990 | GMC | K2500 | — | — | 6.2L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1990 | GMC | K2500 | — | — | 6.2L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1990 | GMC | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1990 | GMC | K2500 | — | — | 4.3L | V6 | 131.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1990 | GMC | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet; with 8,500 (lb) Gross Vehicle Weight (GVW) |
| 1990 | GMC | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet; with 8,500 (lb) Gross Vehicle Weight (GVW) |
| 1990 | GMC | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1990 | GMC | K2500 | — | — | 4.3L | V6 | 155.5" | N/A | Over 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1990 | GMC | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1990 | GMC | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1990 | GMC | K2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1990 | GMC | K2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1990 | GMC | K2500 | — | — | 6.2L | V8 | — | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1990 | GMC | K2500 | — | — | 4.3L | V6 | — | N/A | Below 8500 (lb) GVW |
| 1990 | GMC | K2500 | — | — | 5.0L | V8 | — | N/A | Below 8500 (lb) GVW |
| 1990 | GMC | K3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet; with Single Catalytic Converter |
| 1990 | GMC | K3500 | — | — | 6.2L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet |
| 1990 | GMC | K3500 | — | — | 6.2L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | GMC | K3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | GMC | K3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet; with Single Catalytic Converter |
| 1990 | GMC | K3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet |
| 1990 | GMC | K3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | GMC | K3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1990 | GMC | K3500 | Cab & Chassis | — | 6.2L | V8 | 135.5" | N/A | — |
| 1990 | GMC | K3500 | Cab & Chassis | — | 6.2L | V8 | 159.5" | N/A | — |
| 1990 | GMC | K3500 | Cab & Chassis | — | 5.7L | V8 | 159.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1990 | GMC | K3500 | Cab & Chassis | — | 5.7L | V8 | 135.5" | N/A | Below 15000 (lb) GVW; with Catalytic Converter |
| 1990 | GMC | R1500 Suburban | — | — | 5.7L | V8 | 129.5" | N/A | — |
| 1990 | GMC | R2500 Suburban | — | — | 5.7L | V8 | — | N/A | with Single Catalytic Converter |
| 1990 | GMC | R3500 | — | — | 5.7L | V8 | 164.5" | N/A | with Single Catalytic Converter |
| 1990 | GMC | S15 | — | 4WD | 4.3L | V6 | — | N/A | — |
| 1990 | GMC | S15 | — | RWD | 4.3L | V6 | — | N/A | — |
| 1990 | GMC | S15 Jimmy | — | — | 4.3L | V6 | — | N/A | — |
| 1990 | GMC | V1500 Suburban | — | — | 5.7L | V8 | 129.5" | N/A | — |
| 1990 | GMC | V2500 Suburban | — | — | 5.7L | V8 | 129.5" | N/A | with Light Duty Emissions; with Single Catalytic Converter |
| 1990 | GMC | V3500 | — | — | 5.7L | V8 | 164.5" | N/A | with Single Catalytic Converter |
| 1989 | Chevrolet | Blazer | — | 4WD | 5.7L | V8 | — | N/A | with 3 (in) Inlet |
| 1989 | Chevrolet | C1500 | — | — | 4.3L | V6 | 155.5" | N/A | — |
| 1989 | Chevrolet | C1500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1989 | Chevrolet | C1500 | — | — | 4.3L | V6 | 131.5" | N/A | without Welded Converter |
| 1989 | Chevrolet | C1500 | — | — | 5.0L | V8 | 141.5" | N/A | — |
| 1989 | Chevrolet | C1500 | — | — | 5.7L | V8 | 117.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1989 | Chevrolet | C1500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1989 | Chevrolet | C1500 | — | — | 4.3L | V6 | 117.5" | N/A | without Welded Converter |
| 1989 | Chevrolet | C1500 | — | — | 5.0L | V8 | 131.5" | N/A | without Welded Converter |
| 1989 | Chevrolet | C1500 | — | — | 5.0L | V8 | 155.5" | N/A | — |
| 1989 | Chevrolet | C1500 | — | — | 6.2L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1989 | Chevrolet | C1500 | — | — | 5.0L | V8 | 117.5" | N/A | without Welded Converter |
| 1989 | Chevrolet | C1500 | — | — | 5.7L | V8 | 141.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1989 | Chevrolet | C1500 | — | — | 4.3L | V6 | 141.5" | N/A | — |
| 1989 | Chevrolet | C1500 | — | — | 6.2L | V8 | 141.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1989 | Chevrolet | C1500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1989 | Chevrolet | C1500 | — | — | 6.2L | V8 | — | N/A | with 3 (in) Muffler Inlet |
| 1989 | Chevrolet | C1500 | — | — | 5.7L | V8 | — | N/A | with 3 (in) Muffler Inlet; without Welded Converter |
| 1989 | Chevrolet | C2500 | — | — | 6.2L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1989 | Chevrolet | C2500 | — | — | 6.2L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1989 | Chevrolet | C2500 | — | — | 6.2L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1989 | Chevrolet | C2500 | — | — | 6.2L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1989 | Chevrolet | C2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1989 | Chevrolet | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1989 | Chevrolet | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1989 | Chevrolet | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1989 | Chevrolet | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet; with 8,500 (lb) Gross Vehicle Weight (GVW) |
| 1989 | Chevrolet | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1989 | Chevrolet | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet; with 8,500 (lb) Gross Vehicle Weight (GVW) |
| 1989 | Chevrolet | C2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1989 | Chevrolet | C2500 | — | — | 6.2L | V8 | — | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1989 | Chevrolet | C2500 | — | — | 5.0L | V8 | — | N/A | Below 8500 (lb) GVW |
| 1989 | Chevrolet | C2500 | — | — | 4.3L | V6 | — | N/A | Below 8500 (lb) GVW |
| 1989 | Chevrolet | C3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1989 | Chevrolet | C3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet |
| 1989 | Chevrolet | C3500 | — | — | 6.2L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet |
| 1989 | Chevrolet | C3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1989 | Chevrolet | C3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1989 | Chevrolet | C3500 | — | — | 5.7L | V8 | 155.5" | N/A | with Dual Catalytic Converters |
| 1989 | Chevrolet | C3500 | — | — | 5.7L | V8 | 131.5" | N/A | with Dual Catalytic Converters |
| 1989 | Chevrolet | C3500 | — | — | 6.2L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1989 | Chevrolet | K1500 | — | — | 6.2L | V8 | 141.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1989 | Chevrolet | K1500 | — | — | 5.0L | V8 | 141.5" | N/A | — |
| 1989 | Chevrolet | K1500 | — | — | 5.0L | V8 | 155.5" | N/A | — |
| 1989 | Chevrolet | K1500 | — | — | 4.3L | V6 | 117.5" | N/A | without Welded Converter |
| 1989 | Chevrolet | K1500 | — | — | 5.7L | V8 | 141.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1989 | Chevrolet | K1500 | — | — | 5.0L | V8 | 131.5" | N/A | without Welded Converter |
| 1989 | Chevrolet | K1500 | — | — | 4.3L | V6 | 141.5" | N/A | — |
| 1989 | Chevrolet | K1500 | — | — | 4.3L | V6 | 155.5" | N/A | — |
| 1989 | Chevrolet | K1500 | — | — | 5.0L | V8 | 117.5" | N/A | without Welded Converter |
| 1989 | Chevrolet | K1500 | — | — | 4.3L | V6 | 131.5" | N/A | without Welded Converter |
| 1989 | Chevrolet | K1500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1989 | Chevrolet | K1500 | — | — | 6.2L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1989 | Chevrolet | K1500 | — | — | 5.7L | V8 | 117.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1989 | Chevrolet | K1500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1989 | Chevrolet | K1500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1989 | Chevrolet | K1500 | — | — | 6.2L | V8 | — | N/A | with 3 (in) Muffler Inlet |
| 1989 | Chevrolet | K1500 | — | — | 5.7L | V8 | — | N/A | with 3 (in) Muffler Inlet; without Welded Converter |
| 1989 | Chevrolet | K2500 | — | — | 6.2L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1989 | Chevrolet | K2500 | — | — | 6.2L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1989 | Chevrolet | K2500 | — | — | 6.2L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1989 | Chevrolet | K2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1989 | Chevrolet | K2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1989 | Chevrolet | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1989 | Chevrolet | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet; with 8,500 (lb) Gross Vehicle Weight (GVW) |
| 1989 | Chevrolet | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1989 | Chevrolet | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1989 | Chevrolet | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet; with 8,500 (lb) Gross Vehicle Weight (GVW) |
| 1989 | Chevrolet | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1989 | Chevrolet | K2500 | — | — | 6.2L | V8 | — | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1989 | Chevrolet | K2500 | — | — | 5.0L | V8 | — | N/A | Below 8500 (lb) GVW |
| 1989 | Chevrolet | K2500 | — | — | 4.3L | V6 | — | N/A | Below 8500 (lb) GVW |
| 1989 | Chevrolet | K3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1989 | Chevrolet | K3500 | — | — | 6.2L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1989 | Chevrolet | K3500 | — | — | 6.2L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet |
| 1989 | Chevrolet | K3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet |
| 1989 | Chevrolet | K3500 | — | — | 5.7L | V8 | — | N/A | with 3 (in) Muffler Inlet; with Single Catalytic Converter |
| 1989 | Chevrolet | K3500 | — | — | 5.7L | V8 | — | N/A | with 2.5 (in) Muffler Inlet |
| 1989 | Chevrolet | P20 | — | — | 5.7L | V8 | 125.0" | N/A | with Single Catalytic Converter |
| 1989 | Chevrolet | P30 | — | — | 5.7L | V8 | 133.0" | N/A | with Catalytic Converter |
| 1989 | Chevrolet | P30 | — | — | 5.7L | V8 | 125.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1989 | Chevrolet | P30 | — | — | 5.7L | V8 | 178.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1989 | Chevrolet | P30 | — | — | 5.7L | V8 | 157.0" | N/A | with Catalytic Converter; with School Bus Package |
| 1989 | Chevrolet | R1500 Suburban | — | — | 5.7L | V8 | 129.5" | N/A | — |
| 1989 | Chevrolet | R2500 Suburban | — | — | 5.7L | V8 | — | N/A | with Single Catalytic Converter |
| 1989 | Chevrolet | R3500 | — | — | 5.7L | V8 | 164.5" | N/A | with Single Catalytic Converter |
| 1989 | Chevrolet | S10 | — | 4WD | 4.3L | V6 | — | N/A | — |
| 1989 | Chevrolet | S10 | — | RWD | 4.3L | V6 | — | N/A | — |
| 1989 | Chevrolet | S10 Blazer | — | — | 4.3L | V6 | — | N/A | — |
| 1989 | Chevrolet | V1500 Suburban | — | — | 5.7L | V8 | 129.5" | N/A | — |
| 1989 | Chevrolet | V2500 Suburban | — | — | 5.7L | V8 | 129.5" | N/A | with Light Duty Emissions; with Single Catalytic Converter |
| 1989 | Chevrolet | V3500 | — | — | 5.7L | V8 | 164.5" | N/A | with Single Catalytic Converter |
| 1989 | Chevrolet | V3500 | — | — | 7.4L | V8 | 135.5" | N/A | with Dual Catalytic Converters |
| 1989 | Chevrolet | V3500 | — | — | 5.7L | V8 | 135.5" | N/A | with Dual Catalytic Converters |
| 1989 | Chevrolet | V3500 | — | 4WD | 7.4L | V8 | 164.5" | N/A | with Dual Catalytic Converters |
| 1989 | Chevrolet | V3500 | — | 4WD | 5.7L | V8 | 164.5" | N/A | with Dual Catalytic Converters |
| 1989 | GMC | C1500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1989 | GMC | C1500 | — | — | 4.3L | V6 | 131.5" | N/A | without Welded Converter |
| 1989 | GMC | C1500 | — | — | 5.7L | V8 | 117.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1989 | GMC | C1500 | — | — | 4.3L | V6 | 117.5" | N/A | without Welded Converter |
| 1989 | GMC | C1500 | — | — | 5.0L | V8 | 141.5" | N/A | — |
| 1989 | GMC | C1500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1989 | GMC | C1500 | — | — | 6.2L | V8 | 141.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1989 | GMC | C1500 | — | — | 4.3L | V6 | 141.5" | N/A | — |
| 1989 | GMC | C1500 | — | — | 5.0L | V8 | 155.5" | N/A | — |
| 1989 | GMC | C1500 | — | — | 5.7L | V8 | 141.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1989 | GMC | C1500 | — | — | 5.0L | V8 | 117.5" | N/A | without Welded Converter |
| 1989 | GMC | C1500 | — | — | 5.0L | V8 | 131.5" | N/A | without Welded Converter |
| 1989 | GMC | C1500 | — | — | 6.2L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1989 | GMC | C1500 | — | — | 4.3L | V6 | 155.5" | N/A | — |
| 1989 | GMC | C1500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1989 | GMC | C1500 | — | — | 6.2L | V8 | — | N/A | with 3 (in) Muffler Inlet |
| 1989 | GMC | C1500 | — | — | 5.7L | V8 | — | N/A | with 3 (in) Muffler Inlet; without Welded Converter |
| 1989 | GMC | C2500 | — | — | 6.2L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1989 | GMC | C2500 | — | — | 6.2L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1989 | GMC | C2500 | — | — | 6.2L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1989 | GMC | C2500 | — | — | 6.2L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1989 | GMC | C2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1989 | GMC | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1989 | GMC | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1989 | GMC | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1989 | GMC | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet; with 8,500 (lb) Gross Vehicle Weight (GVW) |
| 1989 | GMC | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1989 | GMC | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet; with 8,500 (lb) Gross Vehicle Weight (GVW) |
| 1989 | GMC | C2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1989 | GMC | C2500 | — | — | 6.2L | V8 | — | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1989 | GMC | C2500 | — | — | 4.3L | V6 | — | N/A | Below 8500 (lb) GVW |
| 1989 | GMC | C2500 | — | — | 5.0L | V8 | — | N/A | Below 8500 (lb) GVW |
| 1989 | GMC | C3500 | — | — | 5.7L | V8 | 131.5" | N/A | with Dual Catalytic Converters |
| 1989 | GMC | C3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet |
| 1989 | GMC | C3500 | — | — | 5.7L | V8 | 155.5" | N/A | with Dual Catalytic Converters |
| 1989 | GMC | C3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1989 | GMC | C3500 | — | — | 6.2L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1989 | GMC | C3500 | — | — | 6.2L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet |
| 1989 | GMC | C3500 | — | — | 5.7L | V8 | — | N/A | with 2.5 (in) Muffler Inlet |
| 1989 | GMC | Jimmy | — | 4WD | 5.7L | V8 | — | N/A | with 3 (in) Inlet |
| 1989 | GMC | K1500 | — | — | 5.0L | V8 | 131.5" | N/A | without Welded Converter |
| 1989 | GMC | K1500 | — | — | 5.7L | V8 | 117.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1989 | GMC | K1500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1989 | GMC | K1500 | — | — | 4.3L | V6 | 155.5" | N/A | — |
| 1989 | GMC | K1500 | — | — | 5.0L | V8 | 155.5" | N/A | — |
| 1989 | GMC | K1500 | — | — | 6.2L | V8 | 141.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1989 | GMC | K1500 | — | — | 6.2L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1989 | GMC | K1500 | — | — | 4.3L | V6 | 117.5" | N/A | without Welded Converter |
| 1989 | GMC | K1500 | — | — | 5.0L | V8 | 117.5" | N/A | without Welded Converter |
| 1989 | GMC | K1500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1989 | GMC | K1500 | — | — | 4.3L | V6 | 141.5" | N/A | — |
| 1989 | GMC | K1500 | — | — | 5.0L | V8 | 141.5" | N/A | — |
| 1989 | GMC | K1500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1989 | GMC | K1500 | — | — | 4.3L | V6 | 131.5" | N/A | without Welded Converter |
| 1989 | GMC | K1500 | — | — | 5.7L | V8 | 141.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1989 | GMC | K1500 | — | — | 5.7L | V8 | — | N/A | with 3 (in) Muffler Inlet; without Welded Converter |
| 1989 | GMC | K1500 | — | — | 6.2L | V8 | — | N/A | with 3 (in) Muffler Inlet |
| 1989 | GMC | K2500 | — | — | 6.2L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1989 | GMC | K2500 | — | — | 6.2L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1989 | GMC | K2500 | — | — | 6.2L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1989 | GMC | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1989 | GMC | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet; with 8,500 (lb) Gross Vehicle Weight (GVW) |
| 1989 | GMC | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet; with 8,500 (lb) Gross Vehicle Weight (GVW) |
| 1989 | GMC | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1989 | GMC | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1989 | GMC | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1989 | GMC | K2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1989 | GMC | K2500 | — | — | 5.7L | V8 | 141.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1989 | GMC | K2500 | — | — | 6.2L | V8 | — | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1989 | GMC | K2500 | — | — | 4.3L | V6 | — | N/A | Below 8500 (lb) GVW |
| 1989 | GMC | K2500 | — | — | 5.0L | V8 | — | N/A | Below 8500 (lb) GVW |
| 1989 | GMC | K3500 | — | — | 6.2L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet |
| 1989 | GMC | K3500 | — | — | 6.2L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1989 | GMC | K3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet |
| 1989 | GMC | K3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1989 | GMC | K3500 | — | — | 5.7L | V8 | — | N/A | with 2.5 (in) Muffler Inlet |
| 1989 | GMC | K3500 | — | — | 5.7L | V8 | — | N/A | with 3 (in) Muffler Inlet; with Single Catalytic Converter |
| 1989 | GMC | P2500 | — | — | 5.7L | V8 | 133.0" | N/A | with Single Catalytic Converter |
| 1989 | GMC | R1500 Suburban | — | — | 5.7L | V8 | 129.5" | N/A | — |
| 1989 | GMC | R2500 Suburban | — | — | 5.7L | V8 | — | N/A | with Single Catalytic Converter |
| 1989 | GMC | R3500 | — | — | 5.7L | V8 | 164.5" | N/A | with Single Catalytic Converter |
| 1989 | GMC | S15 | — | 4WD | 4.3L | V6 | — | N/A | — |
| 1989 | GMC | S15 | — | RWD | 4.3L | V6 | — | N/A | — |
| 1989 | GMC | S15 Jimmy | — | — | 4.3L | V6 | — | N/A | — |
| 1989 | GMC | V1500 Suburban | — | — | 5.7L | V8 | 129.5" | N/A | — |
| 1989 | GMC | V2500 Suburban | — | — | 5.7L | V8 | 129.5" | N/A | with Light Duty Emissions; with Single Catalytic Converter |
| 1989 | GMC | V3500 | — | — | 5.7L | V8 | 135.5" | N/A | with Dual Catalytic Converters |
| 1989 | GMC | V3500 | — | — | 7.4L | V8 | 135.5" | N/A | with Dual Catalytic Converters |
| 1989 | GMC | V3500 | — | — | 5.7L | V8 | 164.5" | N/A | with Single Catalytic Converter |
| 1989 | GMC | V3500 | — | 4WD | 7.4L | V8 | 164.5" | N/A | with Dual Catalytic Converters |
| 1989 | GMC | V3500 | — | 4WD | 5.7L | V8 | 164.5" | N/A | with Dual Catalytic Converters |
| 1988 | Chevrolet | Blazer | — | 4WD | 5.7L | V8 | — | N/A | with 3 (in) Inlet |
| 1988 | Chevrolet | C1500 | — | — | 4.3L | V6 | 155.5" | N/A | — |
| 1988 | Chevrolet | C1500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1988 | Chevrolet | C1500 | — | — | 4.3L | V6 | 131.5" | N/A | without Welded Converter |
| 1988 | Chevrolet | C1500 | — | — | 5.7L | V8 | 117.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1988 | Chevrolet | C1500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1988 | Chevrolet | C1500 | — | — | 4.3L | V6 | 117.5" | N/A | without Welded Converter |
| 1988 | Chevrolet | C1500 | — | — | 5.0L | V8 | 131.5" | N/A | without Welded Converter |
| 1988 | Chevrolet | C1500 | — | — | 5.0L | V8 | 155.5" | N/A | — |
| 1988 | Chevrolet | C1500 | — | — | 6.2L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1988 | Chevrolet | C1500 | — | — | 5.0L | V8 | 117.5" | N/A | without Welded Converter |
| 1988 | Chevrolet | C1500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1988 | Chevrolet | C1500 | — | — | 6.2L | V8 | — | N/A | with 3 (in) Muffler Inlet |
| 1988 | Chevrolet | C1500 | — | — | 5.7L | V8 | — | N/A | with 3 (in) Muffler Inlet; without Welded Converter |
| 1988 | Chevrolet | C2500 | — | — | 6.2L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1988 | Chevrolet | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1988 | Chevrolet | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1988 | Chevrolet | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1988 | Chevrolet | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet; with 8,500 (lb) Gross Vehicle Weight (GVW) |
| 1988 | Chevrolet | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1988 | Chevrolet | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet; with 8,500 (lb) Gross Vehicle Weight (GVW) |
| 1988 | Chevrolet | C2500 | — | — | 6.2L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1988 | Chevrolet | C2500 | — | — | 6.2L | V8 | — | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1988 | Chevrolet | C2500 | — | — | 5.0L | V8 | — | N/A | Below 8500 (lb) GVW |
| 1988 | Chevrolet | C2500 | — | — | 4.3L | V6 | — | N/A | Below 8500 (lb) GVW |
| 1988 | Chevrolet | C3500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1988 | Chevrolet | C3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet |
| 1988 | Chevrolet | C3500 | — | — | 6.2L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet |
| 1988 | Chevrolet | C3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1988 | Chevrolet | C3500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1988 | Chevrolet | C3500 | — | — | 5.7L | V8 | 155.5" | N/A | with Dual Catalytic Converters |
| 1988 | Chevrolet | C3500 | — | — | 5.7L | V8 | 131.5" | N/A | with Dual Catalytic Converters |
| 1988 | Chevrolet | C3500 | — | — | 6.2L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1988 | Chevrolet | K1500 | — | — | 5.0L | V8 | 155.5" | N/A | — |
| 1988 | Chevrolet | K1500 | — | — | 4.3L | V6 | 117.5" | N/A | without Welded Converter |
| 1988 | Chevrolet | K1500 | — | — | 5.0L | V8 | 131.5" | N/A | without Welded Converter |
| 1988 | Chevrolet | K1500 | — | — | 4.3L | V6 | 155.5" | N/A | — |
| 1988 | Chevrolet | K1500 | — | — | 5.0L | V8 | 117.5" | N/A | without Welded Converter |
| 1988 | Chevrolet | K1500 | — | — | 4.3L | V6 | 131.5" | N/A | without Welded Converter |
| 1988 | Chevrolet | K1500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1988 | Chevrolet | K1500 | — | — | 6.2L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1988 | Chevrolet | K1500 | — | — | 5.7L | V8 | 117.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1988 | Chevrolet | K1500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1988 | Chevrolet | K1500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1988 | Chevrolet | K1500 | — | — | 6.2L | V8 | — | N/A | with 3 (in) Muffler Inlet |
| 1988 | Chevrolet | K1500 | — | — | 5.7L | V8 | — | N/A | with 3 (in) Muffler Inlet; without Welded Converter |
| 1988 | Chevrolet | K2500 | — | — | 6.2L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1988 | Chevrolet | K2500 | — | — | 6.2L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1988 | Chevrolet | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1988 | Chevrolet | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet; with 8,500 (lb) Gross Vehicle Weight (GVW) |
| 1988 | Chevrolet | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1988 | Chevrolet | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1988 | Chevrolet | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet; with 8,500 (lb) Gross Vehicle Weight (GVW) |
| 1988 | Chevrolet | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1988 | Chevrolet | K2500 | — | — | 6.2L | V8 | — | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1988 | Chevrolet | K2500 | — | — | 5.0L | V8 | — | N/A | Below 8500 (lb) GVW |
| 1988 | Chevrolet | K2500 | — | — | 4.3L | V6 | — | N/A | Below 8500 (lb) GVW |
| 1988 | Chevrolet | K3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1988 | Chevrolet | K3500 | — | — | 6.2L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1988 | Chevrolet | K3500 | — | — | 6.2L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet |
| 1988 | Chevrolet | K3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet |
| 1988 | Chevrolet | K3500 | — | — | 5.7L | V8 | — | N/A | with 3 (in) Muffler Inlet; with Single Catalytic Converter |
| 1988 | Chevrolet | K3500 | — | — | 5.7L | V8 | — | N/A | with 2.5 (in) Muffler Inlet |
| 1988 | Chevrolet | P20 | — | — | 5.7L | V8 | 133.0" | N/A | with Dual Catalytic Converters |
| 1988 | Chevrolet | P30 | — | — | 5.7L | V8 | 157.0" | N/A | with Dual Catalytic Converters |
| 1988 | Chevrolet | P30 | — | — | 5.7L | V8 | 178.0" | N/A | with Dual Catalytic Converters |
| 1988 | Chevrolet | P30 | — | — | 5.7L | V8 | 133.0" | N/A | with Dual Catalytic Converters |
| 1988 | Chevrolet | R10 Suburban | — | — | 5.7L | V8 | 129.5" | N/A | — |
| 1988 | Chevrolet | R20 Suburban | — | — | 5.7L | V8 | — | N/A | with Single Catalytic Converter |
| 1988 | Chevrolet | S10 | — | 4WD | 4.3L | V6 | — | N/A | — |
| 1988 | Chevrolet | S10 | — | RWD | 4.3L | V6 | — | N/A | — |
| 1988 | Chevrolet | S10 Blazer | — | — | 4.3L | V6 | — | N/A | — |
| 1988 | Chevrolet | V10 Suburban | — | — | 5.7L | V8 | 129.5" | N/A | — |
| 1988 | Chevrolet | V20 Suburban | — | — | 5.7L | V8 | 129.5" | N/A | with Light Duty Emissions; with Single Catalytic Converter |
| 1988 | Chevrolet | V30 | — | — | 7.4L | V8 | 135.5" | N/A | with Dual Catalytic Converters |
| 1988 | Chevrolet | V30 | — | — | 5.7L | V8 | 135.5" | N/A | with Dual Catalytic Converters |
| 1988 | Chevrolet | V30 | — | 4WD | 5.7L | V8 | 164.5" | N/A | with Dual Catalytic Converters |
| 1988 | Chevrolet | V30 | — | 4WD | 7.4L | V8 | 164.5" | N/A | with Dual Catalytic Converters |
| 1988 | GMC | C1500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1988 | GMC | C1500 | — | — | 4.3L | V6 | 131.5" | N/A | without Welded Converter |
| 1988 | GMC | C1500 | — | — | 5.7L | V8 | 117.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1988 | GMC | C1500 | — | — | 4.3L | V6 | 117.5" | N/A | without Welded Converter |
| 1988 | GMC | C1500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1988 | GMC | C1500 | — | — | 5.0L | V8 | 155.5" | N/A | — |
| 1988 | GMC | C1500 | — | — | 5.0L | V8 | 117.5" | N/A | without Welded Converter |
| 1988 | GMC | C1500 | — | — | 5.0L | V8 | 131.5" | N/A | without Welded Converter |
| 1988 | GMC | C1500 | — | — | 6.2L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1988 | GMC | C1500 | — | — | 4.3L | V6 | 155.5" | N/A | — |
| 1988 | GMC | C1500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1988 | GMC | C1500 | — | — | 6.2L | V8 | — | N/A | with 3 (in) Muffler Inlet |
| 1988 | GMC | C1500 | — | — | 5.7L | V8 | — | N/A | with 3 (in) Muffler Inlet; without Welded Converter |
| 1988 | GMC | C2500 | — | — | 6.2L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1988 | GMC | C2500 | — | — | 6.2L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1988 | GMC | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1988 | GMC | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1988 | GMC | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1988 | GMC | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet; with 8,500 (lb) Gross Vehicle Weight (GVW) |
| 1988 | GMC | C2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1988 | GMC | C2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet; with 8,500 (lb) Gross Vehicle Weight (GVW) |
| 1988 | GMC | C2500 | — | — | 6.2L | V8 | — | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1988 | GMC | C2500 | — | — | 4.3L | V6 | — | N/A | Below 8500 (lb) GVW |
| 1988 | GMC | C2500 | — | — | 5.0L | V8 | — | N/A | Below 8500 (lb) GVW |
| 1988 | GMC | C3500 | — | — | 5.7L | V8 | 131.5" | N/A | with Dual Catalytic Converters |
| 1988 | GMC | C3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet |
| 1988 | GMC | C3500 | — | — | 5.7L | V8 | 155.5" | N/A | with Dual Catalytic Converters |
| 1988 | GMC | C3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1988 | GMC | C3500 | — | — | 6.2L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1988 | GMC | C3500 | — | — | 6.2L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet |
| 1988 | GMC | C3500 | — | — | 5.7L | V8 | — | N/A | with 2.5 (in) Muffler Inlet |
| 1988 | GMC | Jimmy | — | 4WD | 5.7L | V8 | — | N/A | with 3 (in) Inlet |
| 1988 | GMC | K1500 | — | — | 5.0L | V8 | 131.5" | N/A | without Welded Converter |
| 1988 | GMC | K1500 | — | — | 5.7L | V8 | 117.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1988 | GMC | K1500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1988 | GMC | K1500 | — | — | 4.3L | V6 | 155.5" | N/A | — |
| 1988 | GMC | K1500 | — | — | 5.0L | V8 | 155.5" | N/A | — |
| 1988 | GMC | K1500 | — | — | 6.2L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1988 | GMC | K1500 | — | — | 4.3L | V6 | 117.5" | N/A | without Welded Converter |
| 1988 | GMC | K1500 | — | — | 5.0L | V8 | 117.5" | N/A | without Welded Converter |
| 1988 | GMC | K1500 | — | — | 5.7L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1988 | GMC | K1500 | — | — | 5.7L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1988 | GMC | K1500 | — | — | 4.3L | V6 | 131.5" | N/A | without Welded Converter |
| 1988 | GMC | K1500 | — | — | 5.7L | V8 | — | N/A | with 3 (in) Muffler Inlet; without Welded Converter |
| 1988 | GMC | K1500 | — | — | 6.2L | V8 | — | N/A | with 3 (in) Muffler Inlet |
| 1988 | GMC | K2500 | — | — | 6.2L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1988 | GMC | K2500 | — | — | 6.2L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1988 | GMC | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1988 | GMC | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet; with 8,500 (lb) Gross Vehicle Weight (GVW) |
| 1988 | GMC | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Over 8500 (lb) GVW; with 2.5 (in) Muffler Inlet; with 8,500 (lb) Gross Vehicle Weight (GVW) |
| 1988 | GMC | K2500 | — | — | 5.7L | V8 | 155.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1988 | GMC | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 2.5 (in) Muffler Inlet |
| 1988 | GMC | K2500 | — | — | 5.7L | V8 | 131.5" | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1988 | GMC | K2500 | — | — | 6.2L | V8 | — | N/A | Below 8500 (lb) GVW; with 3 (in) Muffler Inlet |
| 1988 | GMC | K2500 | — | — | 4.3L | V6 | — | N/A | Below 8500 (lb) GVW |
| 1988 | GMC | K2500 | — | — | 5.0L | V8 | — | N/A | Below 8500 (lb) GVW |
| 1988 | GMC | K3500 | — | — | 6.2L | V8 | 131.5" | N/A | with 3 (in) Muffler Inlet |
| 1988 | GMC | K3500 | — | — | 6.2L | V8 | 131.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1988 | GMC | K3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 3 (in) Muffler Inlet |
| 1988 | GMC | K3500 | — | — | 6.2L | V8 | 155.5" | N/A | with 2.5 (in) Muffler Inlet |
| 1988 | GMC | K3500 | — | — | 5.7L | V8 | — | N/A | with 2.5 (in) Muffler Inlet |
| 1988 | GMC | K3500 | — | — | 5.7L | V8 | — | N/A | with 3 (in) Muffler Inlet; with Single Catalytic Converter |
| 1988 | GMC | P2500 | — | — | 5.7L | V8 | 133.0" | N/A | with Dual Catalytic Converters |
| 1988 | GMC | P3500 | — | — | 5.7L | V8 | 178.0" | N/A | with Dual Catalytic Converters |
| 1988 | GMC | P3500 | — | — | 5.7L | V8 | 157.0" | N/A | with Dual Catalytic Converters |
| 1988 | GMC | P3500 | — | — | 5.7L | V8 | 133.0" | N/A | with Dual Catalytic Converters |
| 1988 | GMC | R1500 Suburban | — | — | 5.7L | V8 | 129.5" | N/A | — |
| 1988 | GMC | R2500 Suburban | — | — | 5.7L | V8 | — | N/A | with Single Catalytic Converter |
| 1988 | GMC | S15 | — | 4WD | 4.3L | V6 | — | N/A | — |
| 1988 | GMC | S15 | — | RWD | 4.3L | V6 | — | N/A | — |
| 1988 | GMC | S15 Jimmy | — | — | 4.3L | V6 | — | N/A | — |
| 1988 | GMC | V1500 Suburban | — | — | 5.7L | V8 | 129.5" | N/A | — |
| 1988 | GMC | V2500 Suburban | — | — | 5.7L | V8 | 129.5" | N/A | with Light Duty Emissions; with Single Catalytic Converter |
| 1988 | GMC | V3500 | — | — | 5.7L | V8 | 135.5" | N/A | with Dual Catalytic Converters |
| 1988 | GMC | V3500 | — | — | 7.4L | V8 | 135.5" | N/A | with Dual Catalytic Converters |
| 1988 | GMC | V3500 | — | 4WD | 7.4L | V8 | 164.5" | N/A | with Dual Catalytic Converters |
| 1988 | GMC | V3500 | — | 4WD | 5.7L | V8 | 164.5" | N/A | with Dual Catalytic Converters |
| 1987 | Chevrolet | Blazer | — | 4WD | 5.7L | V8 | — | N/A | with 3 (in) Inlet |
| 1987 | Chevrolet | P20 | — | — | 5.7L | V8 | 133.0" | N/A | with Dual Catalytic Converters |
| 1987 | Chevrolet | P30 | — | — | 5.7L | V8 | 157.0" | N/A | with Dual Catalytic Converters |
| 1987 | Chevrolet | P30 | — | — | 5.7L | V8 | 178.0" | N/A | with Dual Catalytic Converters |
| 1987 | Chevrolet | P30 | — | — | 5.7L | V8 | 133.0" | N/A | with Dual Catalytic Converters |
| 1987 | Chevrolet | R10 | — | — | 5.7L | V8 | 131.5" | N/A | — |
| 1987 | Chevrolet | R10 | — | — | 5.0L | V8 | 131.5" | N/A | — |
| 1987 | Chevrolet | R10 | — | — | 5.0L | V8 | 117.5" | N/A | — |
| 1987 | Chevrolet | R10 Suburban | — | — | 5.7L | V8 | 129.5" | N/A | — |
| 1987 | Chevrolet | R10 Suburban | — | — | 5.0L | V8 | 129.5" | N/A | — |
| 1987 | Chevrolet | R20 | — | — | 5.7L | V8 | 131.5" | N/A | with Dual Catalytic Converters |
| 1987 | Chevrolet | R20 | — | — | 5.0L | V8 | 131.5" | N/A | — |
| 1987 | Chevrolet | R20 | — | — | 5.7L | V8 | 131.5" | N/A | with Light Duty Emissions; with Single Catalytic Converter |
| 1987 | Chevrolet | R20 Suburban | — | — | 5.7L | V8 | — | N/A | with Single Catalytic Converter |
| 1987 | Chevrolet | V10 | — | — | 5.7L | V8 | 117.5" | N/A | — |
| 1987 | Chevrolet | V10 | — | — | 5.7L | V8 | 131.5" | N/A | — |
| 1987 | Chevrolet | V10 Suburban | — | — | 5.7L | V8 | 129.5" | N/A | — |
| 1987 | Chevrolet | V20 | — | — | 5.7L | V8 | 131.5" | N/A | with Light Duty Emissions; with Single Catalytic Converter |
| 1987 | Chevrolet | V20 Suburban | — | — | 5.7L | V8 | 129.5" | N/A | with Light Duty Emissions; with Single Catalytic Converter |
| 1987 | Chevrolet | V30 | — | 4WD | 5.7L | V8 | 164.5" | N/A | with Dual Catalytic Converters |
| 1987 | Chevrolet | V30 | — | 4WD | 7.4L | V8 | 164.5" | N/A | with Dual Catalytic Converters |
| 1987 | GMC | Jimmy | — | 4WD | 5.7L | V8 | — | N/A | with 3 (in) Inlet |
| 1987 | GMC | P2500 | — | — | 5.7L | V8 | 133.0" | N/A | with Dual Catalytic Converters |
| 1987 | GMC | P3500 | — | — | 5.7L | V8 | 178.0" | N/A | with Dual Catalytic Converters |
| 1987 | GMC | P3500 | — | — | 5.7L | V8 | 157.0" | N/A | with Dual Catalytic Converters |
| 1987 | GMC | P3500 | — | — | 5.7L | V8 | 133.0" | N/A | with Dual Catalytic Converters |
| 1987 | GMC | R1500 | — | — | 5.7L | V8 | 131.5" | N/A | — |
| 1987 | GMC | R1500 | — | — | 5.0L | V8 | 131.5" | N/A | — |
| 1987 | GMC | R1500 | — | — | 5.0L | V8 | 117.5" | N/A | — |
| 1987 | GMC | R1500 Suburban | — | — | 5.0L | V8 | 129.5" | N/A | — |
| 1987 | GMC | R1500 Suburban | — | — | 5.7L | V8 | 129.5" | N/A | — |
| 1987 | GMC | R2500 | — | — | 5.7L | V8 | 131.5" | N/A | with Dual Catalytic Converters |
| 1987 | GMC | R2500 | — | — | 5.0L | V8 | 131.5" | N/A | — |
| 1987 | GMC | R2500 | — | — | 5.7L | V8 | 131.5" | N/A | with Light Duty Emissions; with Single Catalytic Converter |
| 1987 | GMC | R2500 Suburban | — | — | 5.7L | V8 | — | N/A | with Single Catalytic Converter |
| 1987 | GMC | V1500 | — | — | 5.7L | V8 | 117.5" | N/A | — |
| 1987 | GMC | V1500 | — | — | 5.7L | V8 | 131.5" | N/A | — |
| 1987 | GMC | V1500 Suburban | — | — | 5.7L | V8 | 129.5" | N/A | — |
| 1987 | GMC | V2500 | — | — | 5.7L | V8 | 131.5" | N/A | with Light Duty Emissions; with Single Catalytic Converter |
| 1987 | GMC | V2500 Suburban | — | — | 5.7L | V8 | 129.5" | N/A | with Light Duty Emissions; with Single Catalytic Converter |
| 1987 | GMC | V3500 | — | 4WD | 7.4L | V8 | 164.5" | N/A | with Dual Catalytic Converters |
| 1987 | GMC | V3500 | — | 4WD | 5.7L | V8 | 164.5" | N/A | with Dual Catalytic Converters |
| No rows match your filter. | |||||||||