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Walker 21784 Exhaust Muffler - Left or Right
| Brand | Walker 21784 |
|---|---|
| Position | Left and Right |
| Universal Or Specific Fit | Specific |
| Shape | Oval |
| Grade Type | Regular |
| Inlet Inside Diameter | 2.5 |
| Body Width | 9.75 |
| Inlet Quantity | 1 |
| Outlet Quantity | 1 |
| Reversible | No |
| Tunable | No |
| Overall Length | 25.25 |
| Body Height | 4.25 |
| Body Length | 21 |
| Body Material | Steel |
| Finish | Aluminized |
| Inlet 1 Inside Diameter | 2.5 |
| Inlet 1 Type | Pipe connection |
| Inlet Configuration | Offset |
| Inlet Offset | 2.875 |
| Inlet Type | Pipe connection |
| Muffler Type | Combination |
| Outlet 1 Outside Diameter | 2 |
| Outlet 1 Type | Pipe connection |
| Outlet Configuration | Offset |
| Outlet Outside Diameter | 2 |
| Outlet Type | Pipe connection |
| Product line | Quiet-Flow |
| Fits | Chevrolet, GMC, and Pontiac · 567 vehicles |
OE-style sound. Delivers a factory-like exhaust note with superior flow.
Oval steel body. Aluminized finish helps resist corrosion.
Combination muffler. Built for balanced flow and sound control.
Cross-references OSC 2538 for the same application. See all 1.
Walker Quiet-Flow Muffler 21784
Walker Quiet-Flow muffler 21784 is a specific-fit exhaust muffler built for OE-style sound and steady exhaust flow. Its oval steel body and aluminized finish make it a practical replacement for classic Chevrolet, GMC, and Pontiac applications where correct fitment and factory-like tone matter.
Key Features
- Specific-fit exhaust muffler for direct application matching
- Oval muffler shape with a combination muffler design
- 2.5 in. inlet inside diameter with offset inlet configuration
- 2 in. outlet outside diameter with offset outlet configuration
- Steel body with aluminized finish for corrosion resistance
- Overall length: 25.25 in.; body length: 21 in.; body width: 9.75 in.; body height: 4.25 in.
- Walker Quiet-Flow line focuses on OE-style sound and controlled exhaust flow
Detailed Description
Walker Quiet-Flow 21784 is designed for drivers restoring or maintaining older domestic vehicles that need a direct-fit exhaust muffler with a factory-like sound profile. The oval, aluminized steel construction supports long-term service in a wide range of Chevrolet C10, K10, K20, K30, C20, C30, GMC Jimmy, and Pontiac applications, along with several P-series and Suburban models. This part number 21784 is a fitment-focused solution for vehicles that require a 2.5-inch inlet and 2-inch outlet with offset pipe connections.
The Quiet-Flow product line is positioned around smooth exhaust flow and OE-style acoustics, making it a strong match for owners who want a replacement muffler that preserves the vehicle’s original character. This part cross-references OSC 2538 for the same application.
Used For
- Replacing a worn or rusted factory muffler
- Restoring OE-style exhaust tone on classic trucks and cars
- Addressing exhaust noise from internal muffler deterioration
- Correcting restricted exhaust flow caused by age or corrosion
- Maintaining proper fit on specific Chevrolet, GMC, and Pontiac applications
Installation Notes and Tips
Verify inlet and outlet diameter, offset configuration, and vehicle position before ordering. Fitment varies by year, model, and notes such as single exhaust, dual exhaust, catalytic converter, or left/right placement. Compatible applications include Fits 1975-1982 Chevrolet C20, N/A; Fits 1975-1980 Chevrolet K20, N/A; Fits 1976-1979 Chevrolet C10, N/A; Fits 1976-1978 Chevrolet K10, Left; Fits 1979-1981 Chevrolet P2500, N/A; and Fits 1965-1969 Pontiac Tempest, N/A. For best results, compare the existing exhaust layout and pipe routing to the listed notes before installation.
Quality Assurance
Walker backs Quiet-Flow mufflers with a limited lifetime warranty and a 90-day Safe and Sound guarantee. The product line is built to deliver controlled exhaust flow and OE-style sound for specific vehicle applications.
| Year | Make | Model | Submodel | Body Type | # Doors | Drive Type | Transmission | Liters | Cylinders | Wheel Base | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1986 | Chevrolet | K30 | — | — | — | — | — | 7.4L | V8 | 135.5" | N/A | Do Not Use with Federal Emission Control or H5D Emissions; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1986 | GMC | K3500 | — | — | — | — | — | 7.4L | V8 | 135.5" | N/A | Do Not Use with Federal Emission Control or H5D Emissions; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1985 | Chevrolet | C20 | — | — | — | — | — | 7.4L | V8 | 164.5" | N/A | Before 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1985 | Chevrolet | C30 | — | — | — | — | — | 7.4L | V8 | — | Right | Before 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1985 | Chevrolet | C30 | — | — | — | — | — | 7.4L | V8 | — | Left | Before 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1985 | Chevrolet | K30 | — | — | — | — | — | 7.4L | V8 | 135.5" | N/A | Do Not Use with Federal Emission Control or H5D Emissions; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1985 | GMC | C2500 | — | — | — | — | — | 7.4L | V8 | 164.5" | N/A | Before 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1985 | GMC | C3500 | — | — | — | — | — | 7.4L | V8 | — | Left | Before 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1985 | GMC | C3500 | — | — | — | — | — | 7.4L | V8 | — | Right | Before 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1985 | GMC | K3500 | — | — | — | — | — | 7.4L | V8 | 131.5" | N/A | Do Not Use with Federal Emission Control or H5D Emissions; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1984 | Chevrolet | C20 | — | — | — | — | — | 7.4L | V8 | 164.5" | N/A | Do Not Use with Federal Emission Control or H5D Emissions; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1984 | Chevrolet | C30 | — | — | — | — | — | 7.4L | V8 | — | Right | Before 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1984 | Chevrolet | C30 | — | — | — | — | — | 7.4L | V8 | — | Left | Before 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1984 | Chevrolet | K30 | — | — | — | — | — | 7.4L | V8 | 131.5" | N/A | Do Not Use with Federal Emission Control or H5D Emissions; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1984 | GMC | C2500 | — | — | — | — | — | 7.4L | V8 | 164.5" | N/A | Do Not Use with Federal Emission Control or H5D Emissions; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1984 | GMC | C3500 | — | — | — | — | — | 7.4L | V8 | — | Left | Before 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1984 | GMC | C3500 | — | — | — | — | — | 7.4L | V8 | — | Right | Before 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1984 | GMC | K3500 | — | — | — | — | — | 7.4L | V8 | 135.5" | N/A | Do Not Use with Federal Emission Control or H5D Emissions; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1983 | Chevrolet | C20 | — | — | — | — | — | 7.4L | V8 | 164.5" | N/A | Do Not Use with Federal Emission Control or H5D Emissions; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1983 | Chevrolet | C30 | — | — | — | — | — | 7.4L | V8 | — | Right | Before 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1983 | Chevrolet | C30 | — | — | — | — | — | 7.4L | V8 | — | Left | Before 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1983 | Chevrolet | K30 | — | — | — | — | — | 7.4L | V8 | 131.5" | N/A | Do Not Use with Federal Emission Control or H5D Emissions; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1983 | GMC | C2500 | — | — | — | — | — | 7.4L | V8 | 164.5" | N/A | Do Not Use with Federal Emission Control or H5D Emissions; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1983 | GMC | C3500 | — | — | — | — | — | 7.4L | V8 | — | Left | Before 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1983 | GMC | C3500 | — | — | — | — | — | 7.4L | V8 | — | Right | Before 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1983 | GMC | K3500 | — | — | — | — | — | 7.4L | V8 | 131.5" | N/A | Do Not Use with Federal Emission Control or H5D Emissions; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1982 | Chevrolet | C20 | — | — | — | — | — | 7.4L | V8 | 131.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1982 | Chevrolet | C20 | — | — | — | — | — | 7.4L | V8 | 164.5" | N/A | Do Not Use with Federal Emission Control or H5D Emissions; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1982 | Chevrolet | C20 Suburban | — | — | 4 Door | — | — | 7.4L | V8 | 129.5" | N/A | Premium; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1982 | Chevrolet | C30 | — | — | — | — | — | 7.4L | V8 | — | Right | Before 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1982 | Chevrolet | C30 | — | — | — | — | — | 7.4L | V8 | — | Left | Before 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1982 | Chevrolet | K30 | — | — | — | — | — | 7.4L | V8 | 131.5" | N/A | Do Not Use with Federal Emission Control or H5D Emissions; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1982 | GMC | C2500 | — | — | — | — | — | 7.4L | V8 | 131.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1982 | GMC | C2500 | — | — | — | — | — | 7.4L | V8 | 164.5" | N/A | Do Not Use with Federal Emission Control or H5D Emissions; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1982 | GMC | C2500 Suburban | — | — | 4 Door | — | — | 7.4L | V8 | 129.5" | N/A | Premium; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1982 | GMC | C3500 | — | — | — | — | — | 7.4L | V8 | — | Left | Before 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1982 | GMC | C3500 | — | — | — | — | — | 7.4L | V8 | — | Right | Before 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1982 | GMC | K3500 | — | — | — | — | — | 7.4L | V8 | 131.5" | N/A | Do Not Use with Federal Emission Control or H5D Emissions; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1981 | Chevrolet | C20 | — | — | — | — | — | 7.4L | V8 | 131.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1981 | Chevrolet | C20 | — | — | — | — | — | 7.4L | V8 | 164.5" | N/A | Do Not Use with Federal Emission Control or H5D Emissions; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1981 | Chevrolet | C20 Suburban | — | — | 4 Door | — | — | 7.4L | V8 | 129.5" | N/A | Premium; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1981 | Chevrolet | C30 | — | — | — | — | — | 7.4L | V8 | — | Right | Before 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1981 | Chevrolet | C30 | — | — | — | — | — | 7.4L | V8 | — | Left | Before 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1981 | Chevrolet | K30 | — | — | — | — | — | 7.4L | V8 | 131.5" | N/A | Do Not Use with Federal Emission Control or H5D Emissions; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1981 | Chevrolet | P20 | — | — | — | — | — | 4.8L | L6 | — | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1981 | Chevrolet | P20 | — | — | — | — | Manual | 5.7L | V8 | — | N/A | Premium; Regular Duty Muffler; without Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1981 | Chevrolet | P30 | — | — | — | — | — | 4.8L | L6 | 133.0" | N/A | Forward Control; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1981 | Chevrolet | P30 | — | — | — | — | — | 4.8L | L6 | 157.0" | N/A | Forward Control; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1981 | Chevrolet | P30 | — | — | — | — | Manual | 5.7L | V8 | — | N/A | Except Motorhome Chassis; Forward Control; Premium; Regular Duty Muffler; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1981 | Chevrolet | P30 | — | — | — | — | Automatic | 5.7L | V8 | 137.0" | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1981 | Chevrolet | P30 | — | — | — | — | Automatic | 5.7L | V8 | 178.0" | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1981 | Chevrolet | P30 | — | — | — | — | Automatic | 5.7L | V8 | 158.5" | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1981 | GMC | C2500 | — | — | — | — | — | 7.4L | V8 | 131.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1981 | GMC | C2500 | — | — | — | — | — | 7.4L | V8 | 164.5" | N/A | Do Not Use with Federal Emission Control or H5D Emissions; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1981 | GMC | C2500 Suburban | — | — | 4 Door | — | — | 7.4L | V8 | 129.5" | N/A | Premium; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1981 | GMC | C3500 | — | — | — | — | — | 7.4L | V8 | — | Left | Before 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1981 | GMC | C3500 | — | — | — | — | — | 7.4L | V8 | — | Right | Before 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1981 | GMC | K3500 | — | — | — | — | — | 7.4L | V8 | 131.5" | N/A | Do Not Use with Federal Emission Control or H5D Emissions; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1981 | GMC | P2500 | — | — | — | — | — | 4.8L | L6 | — | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1981 | GMC | P2500 | — | — | — | — | Manual | 5.7L | V8 | — | N/A | Premium; Regular Duty Muffler; without Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1981 | GMC | P3500 | — | — | — | — | — | 4.8L | L6 | 133.0" | N/A | Forward Control; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1981 | GMC | P3500 | — | — | — | — | — | 4.8L | L6 | 157.0" | N/A | Forward Control; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1981 | GMC | P3500 | — | — | — | — | Manual | 5.7L | V8 | — | N/A | Except Motorhome Chassis; Forward Control; Premium; Regular Duty Muffler; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1981 | GMC | P3500 | — | — | — | — | Automatic | 5.7L | V8 | 137.0" | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1981 | GMC | P3500 | — | — | — | — | Automatic | 5.7L | V8 | 178.0" | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1981 | GMC | P3500 | — | — | — | — | Automatic | 5.7L | V8 | 157.0" | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1980 | Chevrolet | C20 | — | — | — | — | — | 7.4L | V8 | 131.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1980 | Chevrolet | C20 | — | — | — | — | — | 7.4L | V8 | 164.5" | N/A | Do Not Use with Federal Emission Control or H5D Emissions; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1980 | Chevrolet | C20 Suburban | — | — | 4 Door | — | — | 7.4L | V8 | 129.5" | N/A | Premium; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1980 | Chevrolet | C30 | — | — | — | — | — | 7.4L | V8 | — | Right | Before 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1980 | Chevrolet | C30 | — | — | — | — | — | 7.4L | V8 | — | Left | Before 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1980 | Chevrolet | K10 | — | — | — | — | — | 4.1L | L6 | 131.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1980 | Chevrolet | K10 | — | — | — | — | — | 4.1L | L6 | 117.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1980 | Chevrolet | K20 | — | — | — | — | — | 6.6L | V8 | 131.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1980 | Chevrolet | K20 | — | — | — | — | — | 5.7L | V8 | 131.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1980 | Chevrolet | K20 | — | — | — | — | — | 4.8L | L6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1980 | Chevrolet | K30 | — | — | — | — | — | 5.7L | V8 | 131.5" | N/A | Premium; Regular Duty Muffler; with Dual Exhaust; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1980 | Chevrolet | K30 | — | — | — | — | — | 5.7L | V8 | 135.5" | N/A | Premium; Regular Duty Muffler; with Dual Exhaust; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1980 | Chevrolet | K30 | — | — | — | — | — | 6.6L | V8 | 131.5" | N/A | Premium; Regular Duty Muffler; with Dual Exhaust; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1980 | Chevrolet | P10 | — | — | — | — | — | 4.8L | L6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1980 | Chevrolet | P20 | — | — | — | — | — | 4.8L | L6 | — | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1980 | Chevrolet | P20 | — | — | — | — | Manual | 5.7L | V8 | — | N/A | Premium; Regular Duty Muffler; without Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1980 | Chevrolet | P30 | — | — | — | — | — | 4.8L | L6 | 133.0" | N/A | Forward Control; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1980 | Chevrolet | P30 | — | — | — | — | — | 4.8L | L6 | 157.0" | N/A | Forward Control; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1980 | Chevrolet | P30 | — | — | — | — | Manual | 5.7L | V8 | — | N/A | Except Motorhome Chassis; Forward Control; Premium; Regular Duty Muffler; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1980 | Chevrolet | P30 | — | — | — | — | Automatic | 5.7L | V8 | 137.0" | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1980 | Chevrolet | P30 | — | — | — | — | Automatic | 5.7L | V8 | 178.0" | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1980 | Chevrolet | P30 | — | — | — | — | Automatic | 5.7L | V8 | 157.0" | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1980 | GMC | C2500 | — | — | — | — | — | 7.4L | V8 | 131.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1980 | GMC | C2500 | — | — | — | — | — | 7.4L | V8 | 164.5" | N/A | Do Not Use with Federal Emission Control or H5D Emissions; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1980 | GMC | C2500 Suburban | — | — | 4 Door | — | — | 7.4L | V8 | 129.5" | N/A | Premium; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1980 | GMC | C3500 | — | — | — | — | — | 7.4L | V8 | — | Left | Before 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1980 | GMC | C3500 | — | — | — | — | — | 7.4L | V8 | — | Right | Before 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1980 | GMC | K1500 | — | — | — | — | — | 4.1L | L6 | 117.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1980 | GMC | K1500 | — | — | — | — | — | 4.1L | L6 | 131.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1980 | GMC | K2500 | — | — | — | — | — | 5.7L | V8 | 131.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1980 | GMC | K2500 | — | — | — | — | — | 6.6L | V8 | 131.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1980 | GMC | K2500 | — | — | — | — | — | 4.8L | L6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1980 | GMC | K3500 | — | — | — | — | — | 5.7L | V8 | 131.5" | N/A | Premium; Regular Duty Muffler; with Dual Exhaust; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1980 | GMC | K3500 | — | — | — | — | — | 6.6L | V8 | 131.5" | N/A | Premium; Regular Duty Muffler; with Dual Exhaust; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1980 | GMC | K3500 | — | — | — | — | — | 5.7L | V8 | 135.5" | N/A | Premium; Regular Duty Muffler; with Dual Exhaust; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1980 | GMC | P1500 | — | — | — | — | — | 4.8L | L6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1980 | GMC | P2500 | — | — | — | — | — | 4.8L | L6 | — | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1980 | GMC | P2500 | — | — | — | — | Manual | 5.7L | V8 | — | N/A | Premium; Regular Duty Muffler; without Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1980 | GMC | P3500 | — | — | — | — | — | 4.8L | L6 | 133.0" | N/A | Forward Control; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1980 | GMC | P3500 | — | — | — | — | — | 4.8L | L6 | 157.0" | N/A | Forward Control; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1980 | GMC | P3500 | — | — | — | — | Manual | 5.7L | V8 | — | N/A | Except Motorhome Chassis; Forward Control; Premium; Regular Duty Muffler; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1980 | GMC | P3500 | — | — | — | — | Automatic | 5.7L | V8 | 137.0" | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1980 | GMC | P3500 | — | — | — | — | Automatic | 5.7L | V8 | 178.0" | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1980 | GMC | P3500 | — | — | — | — | Automatic | 5.7L | V8 | 157.0" | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | Chevrolet | C10 | — | — | — | — | — | 4.1L | L6 | 117.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | Chevrolet | C10 | — | — | — | — | — | 7.4L | V8 | 131.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | Chevrolet | C10 Suburban | — | — | — | — | — | 7.4L | V8 | 129.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1979 | Chevrolet | C10 Suburban | — | — | — | — | — | 4.1L | L6 | 129.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | Chevrolet | C20 | — | — | — | — | — | 7.4L | V8 | 131.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | Chevrolet | C20 | — | — | — | — | — | 7.4L | V8 | 164.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | Chevrolet | C20 | — | — | — | — | — | 4.1L | L6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | Chevrolet | C20 Suburban | — | — | — | — | — | 7.4L | V8 | 129.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1979 | Chevrolet | C30 | — | — | — | — | — | 7.4L | V8 | — | Right | Before 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | Chevrolet | C30 | — | — | — | — | — | 7.4L | V8 | — | Left | Before 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | Chevrolet | C30 | — | — | — | — | — | 4.8L | L6 | — | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | Chevrolet | K10 | — | — | — | — | — | 5.7L | V8 | 131.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | Chevrolet | K10 | — | — | — | — | — | 5.7L | V8 | 117.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | Chevrolet | K10 | — | — | — | — | — | 6.6L | V8 | 117.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | Chevrolet | K10 | — | — | — | — | — | 6.6L | V8 | 131.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | Chevrolet | K10 | — | — | — | — | — | 4.1L | L6 | 131.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | Chevrolet | K10 | — | — | — | — | — | 4.1L | L6 | 117.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | Chevrolet | K10 Suburban | — | — | — | — | — | 5.0L | V8 | 129.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | Chevrolet | K10 Suburban | — | — | — | — | — | 5.7L | V8 | 129.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | Chevrolet | K10 Suburban | — | — | — | — | — | 6.6L | V8 | 129.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | Chevrolet | K20 | — | — | — | — | — | 6.6L | V8 | 131.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | Chevrolet | K20 | — | — | — | — | — | 5.7L | V8 | 131.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | Chevrolet | K20 Suburban | — | — | — | — | — | 5.7L | V8 | 129.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | Chevrolet | K20 Suburban | — | — | — | — | — | 6.6L | V8 | 129.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | Chevrolet | K30 | — | — | — | — | — | 4.8L | L6 | 131.5" | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | Chevrolet | K30 | — | — | — | — | — | 6.6L | V8 | 135.5" | N/A | Premium; Regular Duty Muffler; with Dual Exhaust; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1979 | Chevrolet | K30 | — | — | — | — | — | 5.7L | V8 | 131.5" | N/A | Premium; Regular Duty Muffler; with Dual Exhaust; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1979 | Chevrolet | K30 | — | — | — | — | — | 6.6L | V8 | 131.5" | N/A | Premium; Regular Duty Muffler; with Dual Exhaust; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1979 | Chevrolet | K5 Blazer | — | — | — | 4WD | — | 6.6L | V8 | — | N/A | Premium; with Catalytic Converter; with Single Catalytic Converter; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | Chevrolet | K5 Blazer | — | — | — | RWD | — | 5.0L | V8 | — | N/A | Premium; with Catalytic Converter; with Single Catalytic Converter; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | Chevrolet | K5 Blazer | — | — | — | RWD | — | 5.7L | V8 | — | N/A | Premium; with Catalytic Converter; with Single Catalytic Converter; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | Chevrolet | K5 Blazer | — | — | — | 4WD | — | 5.7L | V8 | — | N/A | Premium; with Catalytic Converter; with Single Catalytic Converter; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | Chevrolet | K5 Blazer | — | — | — | — | — | 4.1L | L6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | Chevrolet | P10 | — | — | — | — | — | 4.8L | L6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | Chevrolet | P20 | — | — | — | — | — | 5.7L | V8 | — | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | Chevrolet | P20 | — | — | — | — | — | 4.8L | L6 | — | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | Chevrolet | P20 | — | — | — | — | Manual | 5.7L | V8 | — | N/A | Premium; Regular Duty Muffler; without Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | Chevrolet | P30 | — | — | — | — | — | 4.8L | L6 | 133.0" | N/A | Forward Control; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | Chevrolet | P30 | — | — | — | — | — | 4.8L | L6 | 157.0" | N/A | Forward Control; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | Chevrolet | P30 | — | — | — | — | Manual | 5.7L | V8 | — | N/A | Except Motorhome Chassis; Forward Control; Premium; Regular Duty Muffler; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | Chevrolet | P30 | — | — | — | — | Automatic | 5.7L | V8 | 137.0" | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | Chevrolet | P30 | — | — | — | — | Automatic | 5.7L | V8 | 178.0" | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | Chevrolet | P30 | — | — | — | — | Automatic | 5.7L | V8 | 157.0" | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | GMC | C1500 | — | — | — | — | — | 4.1L | L6 | 117.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | GMC | C1500 | — | — | — | — | — | 7.4L | V8 | 131.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | GMC | C1500 Suburban | — | — | — | — | — | 7.4L | V8 | 129.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1979 | GMC | C1500 Suburban | — | — | — | — | — | 4.1L | L6 | 129.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | GMC | C2500 | — | — | — | — | — | 7.4L | V8 | 131.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | GMC | C2500 | — | — | — | — | — | 7.4L | V8 | 164.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | GMC | C2500 | — | — | — | — | — | 4.1L | L6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | GMC | C2500 Suburban | — | — | — | — | — | 7.4L | V8 | 129.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1979 | GMC | C3500 | — | — | — | — | — | 4.8L | L6 | — | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | GMC | C3500 | — | — | — | — | — | 7.4L | V8 | — | Left | Before 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | GMC | C3500 | — | — | — | — | — | 7.4L | V8 | — | Right | Before 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | GMC | Jimmy | — | — | — | RWD | — | 5.7L | V8 | — | N/A | Premium; with Single Catalytic Converter; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | GMC | Jimmy | — | — | — | RWD | — | 5.0L | V8 | — | N/A | Premium; with Single Catalytic Converter; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | GMC | Jimmy | — | — | — | 4WD | — | 5.7L | V8 | — | N/A | Premium; with Single Catalytic Converter; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | GMC | Jimmy | — | — | — | 4WD | — | 6.6L | V8 | — | N/A | Premium; with Single Catalytic Converter; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | GMC | Jimmy | — | — | — | — | — | 4.1L | L6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | GMC | K1500 | — | — | — | — | — | 4.1L | L6 | 117.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | GMC | K1500 | — | — | — | — | — | 4.1L | L6 | 131.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | GMC | K1500 | — | — | — | — | — | 6.6L | V8 | 117.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | GMC | K1500 | — | — | — | — | — | 6.6L | V8 | 131.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | GMC | K1500 | — | — | — | — | — | 5.7L | V8 | 117.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | GMC | K1500 | — | — | — | — | — | 5.7L | V8 | 131.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | GMC | K1500 Suburban | — | — | — | — | — | 5.7L | V8 | 129.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | GMC | K1500 Suburban | — | — | — | — | — | 5.0L | V8 | 129.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | GMC | K1500 Suburban | — | — | — | — | — | 6.6L | V8 | 129.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | GMC | K2500 | — | — | — | — | — | 5.7L | V8 | 131.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | GMC | K2500 | — | — | — | — | — | 6.6L | V8 | 131.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | GMC | K2500 Suburban | — | — | — | — | — | 6.6L | V8 | 129.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | GMC | K2500 Suburban | — | — | — | — | — | 5.7L | V8 | 129.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | GMC | K3500 | — | — | — | — | — | 6.6L | V8 | 135.5" | N/A | Premium; Regular Duty Muffler; with Dual Exhaust; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1979 | GMC | K3500 | — | — | — | — | — | 5.7L | V8 | 131.5" | N/A | Premium; Regular Duty Muffler; with Dual Exhaust; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1979 | GMC | K3500 | — | — | — | — | — | 4.8L | L6 | 131.5" | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | GMC | K3500 | — | — | — | — | — | 5.7L | V8 | 135.5" | N/A | Premium; Regular Duty Muffler; with Dual Exhaust; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1979 | GMC | P1500 | — | — | — | — | — | 4.8L | L6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | GMC | P2500 | — | — | — | — | — | 4.8L | L6 | — | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | GMC | P2500 | — | — | — | — | — | 5.7L | V8 | — | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | GMC | P2500 | — | — | — | — | Manual | 5.7L | V8 | — | N/A | Premium; Regular Duty Muffler; without Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | GMC | P2500 | — | — | — | — | Automatic | 5.7L | V8 | 133.0" | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | GMC | P3500 | — | — | — | — | — | 4.8L | L6 | 133.0" | N/A | Forward Control; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | GMC | P3500 | — | — | — | — | — | 4.8L | L6 | 157.0" | N/A | Forward Control; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | GMC | P3500 | — | — | — | — | Manual | 5.7L | V8 | — | N/A | Except Motorhome Chassis; Forward Control; Premium; Regular Duty Muffler; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | GMC | P3500 | — | — | — | — | Automatic | 5.7L | V8 | 137.0" | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | GMC | P3500 | — | — | — | — | Automatic | 5.7L | V8 | 178.0" | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1979 | GMC | P3500 | — | — | — | — | Automatic | 5.7L | V8 | 157.0" | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | C10 | — | — | — | — | — | 4.8L | L6 | 131.5" | N/A | Premium; without California Emission System; without Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | C10 | — | — | — | — | — | 7.4L | V8 | 131.5" | N/A | Premium; without Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | C10 | — | — | — | — | — | 4.8L | L6 | 117.5" | N/A | Premium; without California Emission System; without Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | C10 | — | — | — | — | — | 4.1L | L6 | 117.5" | N/A | Premium; without California Emission System; without Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | C10 | — | — | — | — | — | 4.1L | L6 | 117.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | C10 | — | — | — | — | — | 7.4L | V8 | 131.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | C10 Suburban | — | — | — | — | — | 4.1L | L6 | 129.5" | N/A | Premium; without Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | C10 Suburban | — | — | — | — | — | 7.4L | V8 | 129.5" | N/A | Premium; without Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | C10 Suburban | — | — | — | — | — | 7.4L | V8 | 129.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1978 | Chevrolet | C10 Suburban | — | — | — | — | — | 4.1L | L6 | 129.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | C20 | — | — | — | — | — | 4.8L | L6 | 131.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | C20 | — | — | — | — | — | 7.4L | V8 | 131.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | C20 | — | — | — | — | — | 7.4L | V8 | 164.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | C20 | — | — | — | — | — | 4.8L | L6 | 164.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | C20 | — | — | — | — | — | 4.1L | L6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | C20 Suburban | — | — | — | — | — | 7.4L | V8 | 129.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1978 | Chevrolet | C20 Suburban | — | — | — | — | — | 7.4L | V8 | 129.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | C20 Suburban | — | — | — | — | — | 4.8L | L6 | 129.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | C30 | — | — | — | — | — | 7.4L | V8 | — | Right | Before 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | C30 | — | — | — | — | — | 7.4L | V8 | — | Left | Before 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | C30 | — | — | — | — | — | 4.8L | L6 | — | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | K10 | — | — | — | — | — | 5.7L | V8 | 131.5" | Left | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | K10 | — | — | — | — | — | 6.6L | V8 | 117.5" | Left | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | K10 | — | — | — | — | — | 4.1L | L6 | 131.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | K10 | — | — | — | — | — | 5.0L | V8 | 131.5" | N/A | Premium; with Single Exhaust; without California Emission System; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | K10 | — | — | — | — | — | 5.7L | V8 | 117.5" | Left | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | K10 | — | — | — | — | — | 5.7L | V8 | 131.5" | N/A | Premium; with Single Exhaust; without California Emission System; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | K10 | — | — | — | — | — | 5.0L | V8 | 117.5" | N/A | Premium; with Single Exhaust; without California Emission System; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | K10 | — | — | — | — | — | 6.6L | V8 | 131.5" | Left | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | K10 | — | — | — | — | — | 4.1L | L6 | 117.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | K10 | — | — | — | — | — | 5.7L | V8 | 117.5" | N/A | Premium; with Single Exhaust; without California Emission System; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | K10 Suburban | — | — | — | — | — | 5.0L | V8 | 129.5" | N/A | Premium; with Single Exhaust; without California Emission System; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | K10 Suburban | — | — | — | — | — | 5.7L | V8 | 129.5" | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | K10 Suburban | — | — | — | — | — | 6.6L | V8 | 129.5" | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | K10 Suburban | — | — | — | — | — | 5.7L | V8 | 129.5" | N/A | Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | K20 | — | — | — | — | — | 5.7L | V8 | 131.5" | Left | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | K20 | — | — | — | — | — | 6.6L | V8 | 131.5" | Left | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | K20 | — | — | — | — | — | 5.7L | V8 | — | N/A | Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | K20 | — | — | — | — | — | 4.8L | L6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | K20 | — | — | — | — | — | 5.0L | V8 | — | N/A | Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | K20 Suburban | — | — | — | — | — | 6.6L | V8 | 129.5" | Left | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | K20 Suburban | — | — | — | — | — | 5.0L | V8 | 129.5" | N/A | Premium; with Single Exhaust; without California Emission System; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | K20 Suburban | — | — | — | — | — | 5.7L | V8 | 129.5" | N/A | Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | K20 Suburban | — | — | — | — | — | 5.7L | V8 | 129.5" | Left | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | K30 | — | — | — | — | — | 5.7L | V8 | 131.5" | N/A | Premium; Regular Duty Muffler; with Dual Exhaust; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1978 | Chevrolet | K30 | — | — | — | — | — | 4.8L | L6 | 135.5" | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | K30 | — | — | — | — | — | 5.7L | V8 | 135.5" | N/A | Premium; Regular Duty Muffler; with Dual Exhaust; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1978 | Chevrolet | K30 | — | — | — | — | — | 6.6L | V8 | 131.5" | N/A | Premium; Regular Duty Muffler; with Dual Exhaust; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1978 | Chevrolet | K5 Blazer | — | — | — | 4WD | — | 5.0L | V8 | — | N/A | Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | K5 Blazer | — | — | — | RWD | — | 5.7L | V8 | — | N/A | Premium; with Canada Emissions; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | K5 Blazer | — | — | — | 4WD | — | 5.7L | V8 | — | N/A | Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | K5 Blazer | — | — | — | 4WD | — | 6.6L | V8 | — | Right | Premium; with Dual Exhaust; without California Emission System; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | K5 Blazer | — | — | — | 4WD | — | 4.1L | L6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | K5 Blazer | — | — | — | 4WD | — | 6.6L | V8 | — | N/A | Premium; with Catalytic Converter; with Single Catalytic Converter; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | K5 Blazer | — | — | — | RWD | — | 5.0L | V8 | — | N/A | Premium; with Catalytic Converter; with Single Catalytic Converter; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | K5 Blazer | — | — | — | RWD | — | 5.7L | V8 | — | N/A | Premium; with Catalytic Converter; with Single Catalytic Converter; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | K5 Blazer | — | — | — | RWD | — | 5.0L | V8 | — | N/A | Premium; with Canada Emissions; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | K5 Blazer | — | — | — | 4WD | — | 5.7L | V8 | — | N/A | Premium; with Catalytic Converter; with Single Catalytic Converter; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | K5 Blazer | — | — | — | RWD | — | 4.1L | L6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | P10 | — | — | — | — | — | 4.8L | L6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | P20 | — | — | — | — | — | 5.7L | V8 | — | N/A | Premium; Regular Duty Muffler; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | P20 | — | — | — | — | — | 5.7L | V8 | — | N/A | Premium; Regular Duty Muffler; without Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | P20 | — | — | — | — | — | 4.8L | L6 | — | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | P30 | — | — | — | — | — | 4.8L | L6 | 133.0" | N/A | Forward Control; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | P30 | — | — | — | — | — | 4.8L | L6 | 157.0" | N/A | Forward Control; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | Chevrolet | P30 | — | — | — | — | Manual | 5.7L | V8 | — | N/A | Except Motorhome Chassis; Forward Control; Premium; Regular Duty Muffler; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | GMC | Jimmy | — | — | — | RWD | — | 5.7L | V8 | — | N/A | Premium; with Canada Emissions; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | GMC | Jimmy | — | — | — | 4WD | — | 5.7L | V8 | — | N/A | Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | GMC | Jimmy | — | — | — | RWD | — | 5.7L | V8 | — | N/A | Premium; with Single Catalytic Converter; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | GMC | Jimmy | — | — | — | RWD | — | 5.0L | V8 | — | N/A | Premium; with Single Catalytic Converter; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | GMC | Jimmy | — | — | — | RWD | — | 5.0L | V8 | — | N/A | Premium; with Canada Emissions; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | GMC | Jimmy | — | — | — | 4WD | — | 5.0L | V8 | — | N/A | Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | GMC | Jimmy | — | — | — | 4WD | — | 4.1L | L6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | GMC | Jimmy | — | — | — | 4WD | — | 6.6L | V8 | — | Right | Premium; with Dual Exhaust; without California Emission System; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | GMC | Jimmy | — | — | — | 4WD | — | 5.7L | V8 | — | N/A | Premium; with Single Catalytic Converter; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | GMC | Jimmy | — | — | — | RWD | — | 4.1L | L6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1978 | GMC | Jimmy | — | — | — | 4WD | — | 6.6L | V8 | — | N/A | Premium; with Single Catalytic Converter; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | C10 | — | — | — | — | — | 4.8L | L6 | 131.5" | N/A | Premium; without California Emission System; without Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | C10 | — | — | — | — | — | 7.4L | V8 | 131.5" | N/A | Premium; without Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | C10 | — | — | — | — | — | 4.8L | L6 | 131.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | C10 | — | — | — | — | — | 4.8L | L6 | 117.5" | N/A | Premium; without California Emission System; without Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | C10 | — | — | — | — | — | 4.8L | L6 | 117.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | C10 | — | — | — | — | — | 4.1L | L6 | 117.5" | N/A | Premium; without California Emission System; without Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | C10 | — | — | — | — | — | 4.1L | L6 | 117.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | C10 Suburban | — | — | — | — | — | 4.1L | L6 | 129.5" | N/A | Premium; without Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | C10 Suburban | — | — | — | — | — | 7.4L | V8 | 129.5" | N/A | Premium; without Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | C10 Suburban | — | — | — | — | — | 4.1L | L6 | 129.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | C20 | — | — | — | — | — | 4.8L | L6 | 131.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | C20 | — | — | — | — | — | 7.4L | V8 | 164.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | C20 | — | — | — | — | — | 7.4L | V8 | 131.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | C20 | — | — | — | — | — | 4.8L | L6 | 164.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | C20 Suburban | — | — | — | — | — | 7.4L | V8 | 129.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | C20 Suburban | — | — | — | — | — | 4.8L | L6 | 129.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | C30 | — | — | — | — | — | 7.4L | V8 | — | Right | Before 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | C30 | — | — | — | — | — | 7.4L | V8 | — | Left | Before 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | C30 | — | — | — | — | — | 4.8L | L6 | — | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | K10 | — | — | — | — | — | 5.0L | V8 | 117.5" | Left | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | K10 | — | — | — | — | — | 4.1L | L6 | 131.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | K10 | — | — | — | — | — | 5.0L | V8 | 131.5" | N/A | Premium; with Single Exhaust; without California Emission System; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | K10 | — | — | — | — | — | 5.7L | V8 | 117.5" | Left | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | K10 | — | — | — | — | — | 5.7L | V8 | 131.5" | N/A | Premium; with Single Exhaust; without California Emission System; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | K10 | — | — | — | — | — | 5.0L | V8 | 117.5" | N/A | Premium; with Single Exhaust; without California Emission System; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | K10 | — | — | — | — | — | 6.6L | V8 | 131.5" | Left | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | K10 | — | — | — | — | — | 4.1L | L6 | 117.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | K10 | — | — | — | — | — | 5.7L | V8 | 117.5" | N/A | Premium; with Single Exhaust; without California Emission System; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | K10 | — | — | — | — | — | 5.0L | V8 | 131.5" | Left | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | K10 Suburban | — | — | — | — | — | 5.0L | V8 | 129.5" | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | K10 Suburban | — | — | — | — | — | 5.0L | V8 | 129.5" | N/A | Premium; with Single Exhaust; without California Emission System; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | K10 Suburban | — | — | — | — | — | 5.7L | V8 | 129.5" | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | K10 Suburban | — | — | — | — | — | 6.6L | V8 | 129.5" | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | K10 Suburban | — | — | — | — | — | 5.7L | V8 | 129.5" | N/A | Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | K20 | — | — | — | — | — | 5.7L | V8 | 131.5" | Left | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | K20 | — | — | — | — | — | 6.6L | V8 | 131.5" | Left | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | K20 | — | — | — | — | — | 5.7L | V8 | — | N/A | Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | K20 | — | — | — | — | — | 4.8L | L6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | K20 Suburban | — | — | — | — | — | 5.0L | V8 | 129.5" | Left | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | K20 Suburban | — | — | — | — | — | 6.6L | V8 | 129.5" | Left | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | K20 Suburban | — | — | — | — | — | 5.7L | V8 | 129.5" | N/A | Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | K20 Suburban | — | — | — | — | — | 5.7L | V8 | 129.5" | Left | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | K30 | — | — | — | — | — | 4.8L | L6 | 131.5" | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | K30 | — | — | — | — | — | 5.7L | V8 | 131.5" | N/A | Premium; Regular Duty Muffler; with Dual Exhaust; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1977 | Chevrolet | K30 | — | — | — | — | — | 6.6L | V8 | 135.5" | N/A | Premium; Regular Duty Muffler; with Dual Exhaust; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1977 | Chevrolet | K30 | — | — | — | — | — | 5.7L | V8 | 135.5" | N/A | Premium; Regular Duty Muffler; with Dual Exhaust; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1977 | Chevrolet | K5 Blazer | — | — | — | 4WD | — | 5.0L | V8 | — | N/A | Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | K5 Blazer | — | — | — | 4WD | — | 5.7L | V8 | — | N/A | Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | K5 Blazer | — | — | — | 4WD | — | 6.6L | V8 | — | Left | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | K5 Blazer | — | — | — | 4WD | — | 4.1L | L6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | K5 Blazer | — | — | — | RWD | — | 5.7L | V8 | — | N/A | Premium; with Canada Emissions; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | K5 Blazer | — | — | — | 4WD | — | 5.7L | V8 | — | Left | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | P10 | — | — | — | — | — | 4.8L | L6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | P20 | — | — | — | — | — | 5.7L | V8 | — | N/A | Premium; Regular Duty Muffler; without Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | P20 | — | — | — | — | — | 4.8L | L6 | — | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | P30 | — | — | — | — | — | 4.8L | L6 | 133.0" | N/A | Forward Control; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | P30 | — | — | — | — | — | 4.8L | L6 | 157.0" | N/A | Forward Control; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Chevrolet | P30 | — | — | — | — | Manual | 5.7L | V8 | — | N/A | Except Motorhome Chassis; Forward Control; Premium; Regular Duty Muffler; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | GMC | Jimmy | — | — | — | 4WD | — | 5.7L | V8 | — | N/A | Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | GMC | Jimmy | — | — | — | 4WD | — | 6.6L | V8 | — | Left | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | GMC | Jimmy | — | — | — | 4WD | — | 5.0L | V8 | — | N/A | Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | GMC | Jimmy | — | — | — | 4WD | — | 5.7L | V8 | — | Left | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | GMC | Jimmy | — | — | — | 4WD | — | 4.1L | L6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | GMC | Jimmy | — | — | — | RWD | — | 5.7L | V8 | — | N/A | Premium; with Canada Emissions; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Chevrolet | C10 | — | — | — | — | — | 7.4L | V8 | 131.5" | N/A | Premium; without Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Chevrolet | C10 | — | — | — | — | — | 4.8L | L6 | 131.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Chevrolet | C10 | — | — | — | — | — | 4.1L | L6 | 131.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Chevrolet | C10 | — | — | — | — | — | 4.1L | L6 | 117.5" | N/A | Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Chevrolet | C10 Suburban | — | — | — | — | — | 4.1L | L6 | 129.5" | N/A | Premium; without Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Chevrolet | C10 Suburban | — | — | — | — | — | 7.4L | V8 | 129.5" | N/A | Premium; without Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Chevrolet | C20 | — | — | — | — | — | 7.4L | V8 | 164.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Chevrolet | C20 | — | — | — | — | — | 7.4L | V8 | 131.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Chevrolet | C20 | — | — | — | — | — | 4.8L | L6 | 164.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Chevrolet | C20 Suburban | — | — | — | — | — | 7.4L | V8 | 129.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Chevrolet | C30 | — | — | — | — | — | 7.4L | V8 | — | Right | Before 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Chevrolet | C30 | — | — | — | — | — | 7.4L | V8 | — | Left | Before 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Chevrolet | C30 | — | — | — | — | — | 4.8L | L6 | — | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Chevrolet | K10 | — | — | — | — | — | 5.7L | V8 | 131.5" | Left | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Chevrolet | K10 | — | — | — | — | — | 6.6L | V8 | 117.5" | Left | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Chevrolet | K10 | — | — | — | — | — | 4.1L | L6 | 131.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Chevrolet | K10 | — | — | — | — | — | 5.7L | V8 | 117.5" | Left | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Chevrolet | K10 | — | — | — | — | — | 5.7L | V8 | 131.5" | N/A | Premium; with Single Exhaust; without California Emission System; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Chevrolet | K10 | — | — | — | — | — | 6.6L | V8 | 131.5" | Left | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Chevrolet | K10 | — | — | — | — | — | 4.1L | L6 | 117.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Chevrolet | K10 | — | — | — | — | — | 5.7L | V8 | 117.5" | N/A | Premium; with Single Exhaust; without California Emission System; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Chevrolet | K10 Suburban | — | — | — | — | — | 5.7L | V8 | 129.5" | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Chevrolet | K10 Suburban | — | — | — | — | — | 6.6L | V8 | 129.5" | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Chevrolet | K10 Suburban | — | — | — | — | — | 5.7L | V8 | 129.5" | N/A | Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Chevrolet | K20 | — | — | — | — | — | 5.7L | V8 | 131.5" | Left | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Chevrolet | K20 | — | — | — | — | — | 6.6L | V8 | 131.5" | Left | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Chevrolet | K20 | — | — | — | — | — | 5.7L | V8 | — | N/A | Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Chevrolet | K20 | — | — | — | — | — | 4.1L | L6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Chevrolet | K20 | — | — | — | — | — | 4.8L | L6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Chevrolet | K20 Suburban | — | — | — | — | — | 6.6L | V8 | 129.5" | Left | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Chevrolet | K20 Suburban | — | — | — | — | — | 5.7L | V8 | 129.5" | Left | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Chevrolet | K20 Suburban | — | — | — | — | — | 5.7L | V8 | 129.5" | N/A | Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Chevrolet | K5 Blazer | — | — | — | 4WD | — | 5.7L | V8 | — | N/A | Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Chevrolet | K5 Blazer | — | — | — | 4WD | — | 6.6L | V8 | — | Left | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Chevrolet | K5 Blazer | — | — | — | 4WD | — | 4.1L | L6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Chevrolet | K5 Blazer | — | — | — | RWD | — | 5.7L | V8 | — | N/A | Premium; with Canada Emissions; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Chevrolet | K5 Blazer | — | — | — | 4WD | — | 5.7L | V8 | — | Left | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Chevrolet | P10 | — | — | — | — | — | 4.8L | L6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Chevrolet | P20 | — | — | — | — | — | 5.7L | V8 | — | N/A | Premium; Regular Duty Muffler; without Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Chevrolet | P20 | — | — | — | — | — | 4.8L | L6 | — | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Chevrolet | P30 | — | — | — | — | Manual | 5.7L | V8 | — | N/A | Except Motorhome Chassis; Forward Control; Premium; Regular Duty Muffler; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | GMC | Jimmy | — | — | — | 4WD | — | 5.7L | V8 | — | N/A | Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | GMC | Jimmy | — | — | — | 4WD | — | 6.6L | V8 | — | Left | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | GMC | Jimmy | — | — | — | 4WD | — | 5.7L | V8 | — | Left | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | GMC | Jimmy | — | — | — | 4WD | — | 4.1L | L6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | GMC | Jimmy | — | — | — | RWD | — | 5.7L | V8 | — | N/A | Premium; with Canada Emissions; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1975 | Chevrolet | C10 | — | — | — | — | — | 7.4L | V8 | 117.5" | N/A | Except Heavy Duty Chassis; Premium; with Single Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1975 | Chevrolet | C10 | — | — | — | — | — | 4.1L | L6 | — | N/A | Premium; Limited Lifetime Warranty; Early Models with 2 (in) Tail Pipe; Quiet-Flow |
| 1975 | Chevrolet | C10 | — | — | — | — | — | 4.8L | L6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1975 | Chevrolet | C10 | — | — | — | — | — | 7.4L | V8 | — | N/A | Premium; without Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1975 | Chevrolet | C10 Suburban | — | — | — | — | — | 4.1L | L6 | 129.5" | N/A | Premium; Limited Lifetime Warranty; Early Models with 2 (in) Tail Pipe; Quiet-Flow |
| 1975 | Chevrolet | C10 Suburban | — | — | — | — | — | 7.4L | V8 | 129.5" | N/A | Premium; without Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1975 | Chevrolet | C20 | — | — | — | — | — | 7.4L | V8 | 164.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1975 | Chevrolet | C20 | — | — | — | — | — | 7.4L | V8 | 131.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1975 | Chevrolet | C20 | — | — | — | — | — | 4.8L | L6 | 131.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1975 | Chevrolet | C20 Suburban | — | — | — | — | — | 7.4L | V8 | 129.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1975 | Chevrolet | C30 | — | — | — | — | — | 7.4L | V8 | — | Right | Before 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1975 | Chevrolet | C30 | — | — | — | — | — | 7.4L | V8 | — | Left | Before 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions; Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1975 | Chevrolet | C30 | — | — | — | — | — | 4.8L | L6 | — | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1975 | Chevrolet | K10 | — | — | — | — | — | 5.7L | V8 | 131.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1975 | Chevrolet | K10 | — | — | — | — | — | 6.6L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1975 | Chevrolet | K10 | — | — | — | — | — | 4.1L | L6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1975 | Chevrolet | K10 Suburban | — | — | — | — | — | 6.6L | V8 | 129.5" | N/A | Premium; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1975 | Chevrolet | K10 Suburban | — | — | — | — | — | 5.7L | V8 | 129.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1975 | Chevrolet | K20 | — | — | — | — | — | 4.8L | L6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1975 | Chevrolet | K20 | — | — | — | — | — | 6.6L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1975 | Chevrolet | K20 | — | — | — | — | — | 5.7L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1975 | Chevrolet | K20 Suburban | — | — | — | — | — | 5.7L | V8 | 129.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1975 | Chevrolet | K20 Suburban | — | — | — | — | — | 4.8L | L6 | 129.5" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1975 | Chevrolet | K20 Suburban | — | — | — | — | — | 6.6L | V8 | 129.5" | N/A | Premium; Limited Lifetime Warranty; Left Hand and Right Hand; Quiet-Flow |
| 1975 | Chevrolet | P10 | — | — | — | — | — | 4.8L | L6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1975 | Chevrolet | P20 | — | — | — | — | — | 5.7L | V8 | — | N/A | Premium; Regular Duty Muffler; without Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow |
| 1975 | Chevrolet | P20 | — | — | — | — | — | 4.8L | L6 | — | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1975 | Chevrolet | P30 | — | — | — | — | — | 4.8L | L6 | — | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1975 | Chevrolet | P30 | — | — | — | — | Manual | 5.7L | V8 | — | N/A | Except Motorhome Chassis; Forward Control; Premium; Regular Duty Muffler; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1974 | Chevrolet | Blazer | — | — | — | RWD | — | 5.7L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1974 | Chevrolet | Blazer | — | — | — | 4WD | — | 5.7L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1974 | Chevrolet | C10 Suburban | — | — | — | — | — | 5.7L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1974 | Chevrolet | C20 Suburban | — | — | — | — | — | 5.7L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1974 | Chevrolet | K10 Suburban | — | — | — | — | — | 5.7L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1974 | Chevrolet | K20 Suburban | — | — | — | — | — | 5.7L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1974 | GMC | G15/G1500 Van | — | — | — | — | — | 5.7L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1974 | GMC | G25/G2500 Van | — | — | — | — | — | 5.7L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1974 | GMC | G35/G3500 Van | — | — | — | — | — | 5.7L | V8 | — | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1974 | GMC | Jimmy | — | — | — | 4WD | — | 5.7L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1974 | GMC | Jimmy | — | — | — | RWD | — | 5.7L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1973 | Chevrolet | Blazer | — | — | — | RWD | — | 5.7L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1973 | Chevrolet | Blazer | — | — | — | RWD | — | 5.0L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1973 | Chevrolet | Blazer | — | — | — | 4WD | — | 5.7L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1973 | Chevrolet | Blazer | — | — | — | 4WD | — | 5.0L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1973 | Chevrolet | C10 Suburban | — | — | — | — | — | 5.0L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1973 | Chevrolet | C10 Suburban | — | — | — | — | — | 5.7L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1973 | Chevrolet | C20 Suburban | — | — | — | — | — | 5.7L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1973 | Chevrolet | C20 Suburban | — | — | — | — | — | 5.0L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1973 | Chevrolet | K10 Suburban | — | — | — | — | — | 5.0L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1973 | Chevrolet | K10 Suburban | — | — | — | — | — | 5.7L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1973 | Chevrolet | K20 Suburban | — | — | — | — | — | 5.7L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1973 | GMC | G15/G1500 Van | — | — | — | — | — | 5.0L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1973 | GMC | G15/G1500 Van | — | — | — | — | — | 5.7L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1973 | GMC | G25/G2500 Van | — | — | — | — | — | 5.0L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1973 | GMC | G25/G2500 Van | — | — | — | — | — | 5.7L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1973 | GMC | G35/G3500 Van | — | — | — | — | — | 5.0L | V8 | — | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1973 | GMC | G35/G3500 Van | — | — | — | — | — | 5.7L | V8 | — | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1973 | GMC | Jimmy | — | — | — | 4WD | — | 5.7L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1973 | GMC | Jimmy | — | — | — | RWD | — | 5.7L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1972 | GMC | G15/G1500 Van | — | — | — | — | — | 5.0L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1972 | GMC | G15/G1500 Van | — | — | — | — | — | 5.7L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1972 | GMC | G25/G2500 Van | — | — | — | — | — | 5.7L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1972 | GMC | G25/G2500 Van | Base | — | — | — | — | 5.0L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1972 | GMC | G35/G3500 Van | — | — | — | — | — | 5.7L | V8 | — | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1971 | GMC | G15/G1500 Van | — | — | — | — | — | 5.7L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1971 | GMC | G25/G2500 Van | — | — | — | — | — | 5.7L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1971 | GMC | G35/G3500 Van | — | — | — | — | — | 5.7L | V8 | — | N/A | Premium; Regular Duty Muffler; Limited Lifetime Warranty; Quiet-Flow |
| 1969 | Chevrolet | Bel Air | — | — | — | — | — | 7.0L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1969 | Chevrolet | Bel Air | — | — | — | — | — | 6.5L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1969 | Chevrolet | Bel Air | — | Wagon | — | — | — | 5.7L | V8 | — | N/A | Except 116 (in) Wheelbase; Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1969 | Chevrolet | Caprice | — | — | — | — | — | 6.5L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1969 | Chevrolet | Caprice | — | Hardtop | — | — | — | 7.0L | V8 | — | N/A | Except High Performance; Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1969 | Chevrolet | Caprice | — | Hardtop | — | — | — | 5.7L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1969 | Chevrolet | El Camino | — | — | — | — | — | 6.5L | V8 | — | N/A | Premium; Limited Lifetime Warranty; without Chambered Pipe; Quiet-Flow |
| 1969 | Chevrolet | Impala | — | — | — | — | — | 7.0L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1969 | Chevrolet | Impala | — | — | — | — | — | 6.5L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1969 | Chevrolet | Impala | — | — | — | — | — | 5.7L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1969 | Pontiac | Bonneville | — | — | — | — | — | 7.0L | V8 | — | N/A | Canadian Built; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1969 | Pontiac | Bonneville | — | — | — | — | — | 6.6L | V8 | — | N/A | Canadian Built; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1969 | Pontiac | Catalina | — | — | — | — | — | 6.6L | V8 | — | N/A | Canadian Built; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1969 | Pontiac | Catalina | — | — | — | — | — | 7.0L | V8 | — | N/A | Canadian Built; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1969 | Pontiac | Tempest | Safari | — | — | — | — | 6.6L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1969 | Pontiac | Tempest | Safari | — | — | — | — | 5.7L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1968 | Chevrolet | Bel Air | — | — | — | — | — | 5.3L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1968 | Chevrolet | Bel Air | — | — | — | — | — | 7.0L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1968 | Chevrolet | Bel Air | — | — | — | — | — | 6.5L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1968 | Chevrolet | Caprice | — | — | — | — | — | 6.5L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1968 | Chevrolet | Caprice | — | — | — | — | — | 5.3L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1968 | Chevrolet | Caprice | — | Hardtop | — | — | — | 7.0L | V8 | — | N/A | Except High Performance; Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1968 | Chevrolet | El Camino | — | — | — | — | — | 6.5L | V8 | — | N/A | Premium; Limited Lifetime Warranty; without Chambered Pipe; Quiet-Flow |
| 1968 | Chevrolet | El Camino | — | — | — | — | — | 5.3L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1968 | Chevrolet | El Camino | Base | — | — | — | — | 6.5L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1968 | Chevrolet | Impala | — | — | — | — | — | 5.4L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1968 | Chevrolet | Impala | — | — | — | — | — | 7.0L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1968 | Chevrolet | Impala | — | — | — | — | — | 6.5L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1968 | Chevrolet | Impala | — | — | — | — | — | 5.3L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1968 | Pontiac | Bonneville | — | — | — | — | — | 7.0L | V8 | — | N/A | Canadian Built; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1968 | Pontiac | Bonneville | — | — | — | — | — | 6.6L | V8 | — | N/A | Canadian Built; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1968 | Pontiac | Catalina | — | — | — | — | — | 6.6L | V8 | — | N/A | Canadian Built; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1968 | Pontiac | Catalina | — | — | — | — | — | 7.0L | V8 | — | N/A | Canadian Built; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1968 | Pontiac | Tempest | Safari | — | — | — | — | 6.6L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1968 | Pontiac | Tempest | Safari | — | — | — | — | 5.7L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1967 | Chevrolet | Bel Air | — | — | — | — | — | 5.3L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1967 | Chevrolet | Bel Air | — | — | — | — | — | 7.0L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1967 | Chevrolet | Bel Air | — | — | — | — | — | 6.5L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1967 | Chevrolet | Caprice | — | — | — | — | — | 6.5L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1967 | Chevrolet | Caprice | — | — | — | — | — | 5.3L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1967 | Chevrolet | Caprice | — | Hardtop | — | — | — | 7.0L | V8 | — | N/A | Except High Performance; Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1967 | Chevrolet | El Camino | — | — | — | — | — | 6.5L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1967 | Chevrolet | El Camino | — | — | — | — | — | 5.3L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1967 | Chevrolet | El Camino | — | — | — | — | — | 4.6L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1967 | Chevrolet | Impala | — | — | — | — | — | 5.4L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1967 | Chevrolet | Impala | — | — | — | — | — | 7.0L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1967 | Chevrolet | Impala | — | — | — | — | — | 6.5L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1967 | Chevrolet | Impala | — | — | — | — | — | 5.3L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1967 | Chevrolet | Malibu | — | — | — | — | — | 4.6L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1967 | Chevrolet | Malibu | — | — | — | — | — | 5.3L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1967 | Chevrolet | Malibu | — | — | — | — | — | 6.5L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1967 | Pontiac | Bonneville | — | — | — | — | — | 7.0L | V8 | — | N/A | Canadian Built; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1967 | Pontiac | Bonneville | — | — | — | — | — | 6.6L | V8 | — | N/A | Canadian Built; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1967 | Pontiac | Catalina | Ventura | — | — | — | — | 6.6L | V8 | — | N/A | Canadian Built; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1967 | Pontiac | Catalina | Base | — | — | — | — | 6.6L | V8 | — | N/A | Canadian Built; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1967 | Pontiac | Catalina | Base | — | — | — | — | 7.0L | V8 | — | N/A | Canadian Built; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1967 | Pontiac | Catalina | Ventura | — | — | — | — | 7.0L | V8 | — | N/A | Canadian Built; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1967 | Pontiac | Tempest | Safari | — | — | — | — | 5.3L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1966 | Chevrolet | Bel Air | — | — | — | — | — | 5.3L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1966 | Chevrolet | Bel Air | — | — | — | — | — | 7.0L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1966 | Chevrolet | Bel Air | — | — | — | — | — | 6.5L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1966 | Chevrolet | Bel Air | — | — | — | — | — | 6.5L | V8 | — | N/A | Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1966 | Chevrolet | Bel Air | — | — | — | — | — | 5.3L | V8 | — | N/A | Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1966 | Chevrolet | Bel Air | — | — | — | — | — | 4.6L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1966 | Chevrolet | Caprice | — | — | — | — | — | 6.5L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1966 | Chevrolet | Caprice | — | — | — | — | — | 5.3L | V8 | — | N/A | Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1966 | Chevrolet | Caprice | — | — | — | — | — | 5.3L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1966 | Chevrolet | Caprice | — | — | — | — | — | 4.6L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1966 | Chevrolet | Caprice | — | — | — | — | — | 6.5L | V8 | — | N/A | Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1966 | Chevrolet | Caprice | — | Hardtop | — | — | — | 7.0L | V8 | — | N/A | Except High Performance; Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1966 | Chevrolet | El Camino | — | — | — | — | — | 6.5L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1966 | Chevrolet | El Camino | — | — | — | — | — | 5.3L | V8 | — | N/A | Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1966 | Chevrolet | El Camino | — | — | — | — | — | 5.3L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1966 | Chevrolet | El Camino | — | — | — | — | — | 4.6L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1966 | Chevrolet | Impala | — | — | — | — | — | 6.5L | V8 | — | N/A | Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1966 | Chevrolet | Impala | — | — | — | — | — | 5.4L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1966 | Chevrolet | Impala | — | — | — | — | — | 7.0L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1966 | Chevrolet | Impala | — | — | — | — | — | 6.5L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1966 | Chevrolet | Impala | — | — | — | — | — | 5.3L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1966 | Chevrolet | Impala | — | — | — | — | — | 5.4L | V8 | — | N/A | Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1966 | Chevrolet | Impala | — | — | — | — | — | 4.6L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1966 | Chevrolet | Malibu | — | — | — | — | — | 5.3L | V8 | — | N/A | Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1966 | Chevrolet | Malibu | — | — | — | — | — | 4.6L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1966 | Chevrolet | Malibu | — | — | — | — | — | 5.3L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1966 | Chevrolet | Malibu | — | — | — | — | — | 6.5L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1966 | Pontiac | Bonneville | — | — | — | — | — | 6.4L | V8 | — | N/A | Canadian Built; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1966 | Pontiac | Bonneville | — | — | — | — | — | 6.9L | V8 | — | N/A | Canadian Built; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1966 | Pontiac | Catalina | — | — | — | — | — | 6.9L | V8 | — | N/A | Canadian Built; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1966 | Pontiac | Catalina | — | — | — | — | — | 6.4L | V8 | — | N/A | Canadian Built; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1966 | Pontiac | Tempest | Safari | — | — | — | — | 5.3L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1965 | Chevrolet | Bel Air | — | — | — | — | — | 5.3L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1965 | Chevrolet | Bel Air | — | — | — | — | — | 6.5L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1965 | Chevrolet | Bel Air | — | — | — | — | — | 6.7L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1965 | Chevrolet | Bel Air | — | — | — | — | — | 6.5L | V8 | — | N/A | Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1965 | Chevrolet | Bel Air | — | — | — | — | — | 5.3L | V8 | — | N/A | Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1965 | Chevrolet | Bel Air | — | — | — | — | — | 4.6L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1965 | Chevrolet | El Camino | — | — | — | — | — | 5.3L | V8 | — | N/A | Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1965 | Chevrolet | El Camino | — | — | — | — | — | 5.3L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1965 | Chevrolet | El Camino | — | — | — | — | — | 4.6L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1965 | Chevrolet | Impala | — | — | — | — | — | 6.5L | V8 | — | N/A | Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1965 | Chevrolet | Impala | — | — | — | — | — | 5.4L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1965 | Chevrolet | Impala | — | — | — | — | — | 6.5L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1965 | Chevrolet | Impala | — | — | — | — | — | 6.7L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1965 | Chevrolet | Impala | — | — | — | — | — | 5.3L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1965 | Chevrolet | Impala | — | — | — | — | — | 5.4L | V8 | — | N/A | Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1965 | Chevrolet | Impala | — | — | — | — | — | 4.6L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1965 | Chevrolet | Malibu | — | — | — | — | — | 5.3L | V8 | — | N/A | Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1965 | Chevrolet | Malibu | — | — | — | — | — | 4.6L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1965 | Chevrolet | Malibu | — | — | — | — | — | 5.3L | V8 | — | N/A | Premium; with Dual Exhaust; Limited Lifetime Warranty; Quiet-Flow |
| 1965 | Pontiac | Bonneville | — | — | — | — | — | 6.4L | V8 | — | N/A | Canadian Built; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1965 | Pontiac | Bonneville | — | — | — | — | — | 6.9L | V8 | — | N/A | Canadian Built; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1965 | Pontiac | Catalina | Ventura | — | — | — | — | 6.4L | V8 | — | N/A | Canadian Built; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1965 | Pontiac | Catalina | Base | — | — | — | — | 6.9L | V8 | — | N/A | Canadian Built; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1965 | Pontiac | Catalina | Ventura | — | — | — | — | 6.9L | V8 | — | N/A | Canadian Built; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1965 | Pontiac | Catalina | Base | — | — | — | — | 6.4L | V8 | — | N/A | Canadian Built; Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1965 | Pontiac | Tempest | Safari | — | — | — | — | 5.3L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
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