OE Quality
60-Day Returns

Walker 21992 Exhaust Resonator
Overview of Walker Exhaust Resonator 21992
The Walker 21992 exhaust resonator is designed for direct fit applications on select Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models. Featuring a durable aluminized steel construction, this resonator helps reduce exhaust noise and improve sound quality while maintaining proper exhaust flow.
- Aluminized steel body for corrosion resistance
- Round resonator shape with 4-inch body diameter
- 2.25-inch inlet and outlet inside diameter
- Pipe connection inlet and spout outlet types
- Direct fit for specific GM vehicle models
Detailed Product Description
The Walker 21992 exhaust resonator is engineered with a round, 18.125-inch long body made from aluminized steel, providing durability and resistance to rust. It features a 2.25-inch inside diameter for both inlet and outlet, ensuring compatibility with factory exhaust piping. The inlet and outlet are center configured, with a pipe connection inlet and spout outlet, facilitating straightforward installation. This resonator is designed as a direct fit replacement, eliminating the need for modifications on compatible vehicles.
Compatible Vehicles and Applications
This exhaust resonator is compatible with a range of GM vehicles, including Buick models like the LeSabre and Riviera, Cadillac Fleetwood and Brougham, Chevrolet Impala and Caprice, Oldsmobile Delta 88 and 98, as well as Pontiac Bonneville and Catalina. It is suitable for applications requiring a direct fit exhaust resonator to maintain proper exhaust sound and flow characteristics.
- Reduces exhaust drone and unwanted noise
- Restores factory exhaust sound quality
- Prevents exhaust leaks by providing a proper seal
- Maintains exhaust system performance and efficiency
- Replaces worn or damaged resonators on compatible GM models
Installation Notes and Tips
Installation of the Walker 21992 resonator requires matching the 2.25-inch inlet and outlet pipe diameters to the vehicle’s exhaust system. The pipe connection inlet and spout outlet allow for secure attachment using standard exhaust clamps or welding. Ensure the resonator is aligned properly with the exhaust flow direction and that all connections are sealed to prevent leaks. This part is designed for direct fit, so no additional modifications should be necessary on compatible Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models.
Quality Assurance and Warranty
Walker exhaust components are manufactured to meet or exceed OEM specifications, using aluminized steel for enhanced corrosion resistance and durability. The 21992 resonator undergoes quality control inspections to ensure fit and function. While specific warranty details are not provided here, Walker products typically come with a limited warranty against defects in materials and workmanship.
| Brand | Walker |
| Part Number | 21992 |
| Finish | Aluminized |
| Inlet Type | Pipe connection |
| Outlet Type | Spout |
| Inlet Inside Diameter | 2.25 |
| Body Width | 4 |
| Inlet Quantity | 1 |
| Body Material | Steel |
| Outlet Inside Diameter | 2.25 |
| Outlet Quantity | 1 |
| Resonator Shape | Round |
| Overall Length | 2.25 |
| Body 1 Height | 4 |
| Body 1 Length | 18.125 |
| Body 1 Shape | Round |
| Body 1 Width | 4 |
| Body Height | 4 |
| Body Length | 18.125 |
| Inlet Configuration | Center |
| Outlet Configuration | Center |
| Universal Or Specific Fit | Direct fit |
This part fits 76 vehicles. Search below:
| Year | Make | Model | Submodel | Body Type | Drive Type | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|---|
| 1992 | Cadillac | Brougham | RWD | 5.7L | V8 | N/A | If welded assembly, replace all required parts | |||
| 1992 | Cadillac | Brougham | RWD | 5.0L | V8 | N/A | If welded assembly, replace all required parts | |||
| 1992 | Cadillac | Commercial Chassis | Brougham | RWD | 5.7L | V8 | N/A | If welded assembly, replace all required parts | ||
| 1991 | Cadillac | Brougham | RWD | 5.7L | V8 | N/A | If welded assembly, replace all required parts | |||
| 1991 | Cadillac | Brougham | RWD | 5.0L | V8 | N/A | If welded assembly, replace all required parts | |||
| 1990 | Cadillac | Brougham | RWD | 5.0L | V8 | N/A | If welded assembly, replace all required parts | |||
| 1990 | Cadillac | Brougham | RWD | 5.7L | V8 | N/A | If welded assembly, replace all required parts | |||
| 1990 | Chevrolet | Caprice | Sedan | 5.0L | V8 | N/A | If welded assembly, replace all required parts | |||
| 1989 | Cadillac | Brougham | RWD | 5.0L | V8 | N/A | If welded assembly, replace all required parts | |||
| 1989 | Chevrolet | Caprice | Sedan | 5.0L | V8 | N/A | If welded assembly, replace all required parts | |||
| 1989 | Chevrolet | Caprice | Base | 5.7L | V8 | N/A | with Police Package; If welded assembly, replace all required parts | |||
| 1988 | Cadillac | Brougham | RWD | 5.0L | V8 | N/A | If welded assembly, replace all required parts | |||
| 1988 | Chevrolet | Caprice | Sedan | 5.0L | V8 | N/A | If welded assembly, replace all required parts | |||
| 1987 | Cadillac | Brougham | RWD | 5.0L | V8 | N/A | If welded assembly, replace all required parts | |||
| 1987 | Chevrolet | Caprice | Coupe | 5.0L | V8 | N/A | If welded assembly, replace all required parts | |||
| 1987 | Chevrolet | Caprice | Sedan | 5.0L | V8 | N/A | If welded assembly, replace all required parts | |||
| 1986 | Cadillac | Fleetwood | Brougham | RWD | 5.0L | V8 | N/A | If welded assembly, replace all required parts | ||
| 1986 | Cadillac | Fleetwood | Brougham d'Elegance | RWD | 5.0L | V8 | N/A | If welded assembly, replace all required parts | ||
| 1986 | Chevrolet | Caprice | Coupe | 5.0L | V8 | N/A | If welded assembly, replace all required parts | |||
| 1986 | Chevrolet | Caprice | Sedan | 5.0L | V8 | N/A | If welded assembly, replace all required parts | |||
| 1986 | Pontiac | Parisienne | Sedan | 5.0L | V8 | N/A | with 2.5 (in) Muffler Inlet; If welded assembly, replace all required parts | |||
| 1986 | Pontiac | Parisienne | Sedan | 5.0L | V8 | N/A | If welded assembly, replace all required parts | |||
| 1985 | Buick | LeSabre | Custom | 5.0L | V8 | N/A | If welded assembly, replace all required parts | |||
| 1985 | Chevrolet | Caprice | Sedan | 5.0L | V8 | N/A | If welded assembly, replace all required parts | |||
| 1985 | Chevrolet | Caprice | Coupe | 5.0L | V8 | N/A | If welded assembly, replace all required parts | |||
| 1985 | Chevrolet | Impala | 5.0L | V8 | N/A | If welded assembly, replace all required parts | ||||
| 1985 | Oldsmobile | Delta 88 | 5.0L | V8 | N/A | If welded assembly, replace all required parts | ||||
| 1985 | Pontiac | Parisienne | Sedan | 5.0L | V8 | N/A | with 2.5 (in) Muffler Inlet; If welded assembly, replace all required parts | |||
| 1984 | Buick | LeSabre | 5.0L | V8 | N/A | If welded assembly, replace all required parts | ||||
| 1984 | Oldsmobile | 98 | 5.0L | V8 | N/A | If welded assembly, replace all required parts | ||||
| 1984 | Oldsmobile | Delta 88 | 5.0L | V8 | N/A | If welded assembly, replace all required parts | ||||
| 1983 | Buick | LeSabre | Limited | 5.0L | V8 | N/A | If welded assembly, replace all required parts | |||
| 1983 | Buick | LeSabre | Custom | 5.0L | V8 | N/A | If welded assembly, replace all required parts | |||
| 1983 | Oldsmobile | 98 | 5.0L | V8 | N/A | If welded assembly, replace all required parts | ||||
| 1983 | Oldsmobile | Delta 88 | 5.0L | V8 | N/A | If welded assembly, replace all required parts | ||||
| 1982 | Buick | LeSabre | 5.0L | V8 | N/A | If welded assembly, replace all required parts | ||||
| 1982 | Oldsmobile | 98 | 5.0L | V8 | N/A | If welded assembly, replace all required parts | ||||
| 1982 | Oldsmobile | Delta 88 | 5.0L | V8 | N/A | If welded assembly, replace all required parts | ||||
| 1981 | Buick | LeSabre | 5.0L | V8 | N/A | If welded assembly, replace all required parts | ||||
| 1981 | Oldsmobile | 98 | 5.0L | V8 | N/A | If welded assembly, replace all required parts | ||||
| 1981 | Oldsmobile | Delta 88 | 5.0L | V8 | N/A | If welded assembly, replace all required parts | ||||
| 1981 | Pontiac | Bonneville | Sedan | 5.0L | V8 | N/A | with Resonator; If welded assembly, replace all required parts | |||
| 1981 | Pontiac | Bonneville | Coupe | 5.0L | V8 | N/A | with Resonator; If welded assembly, replace all required parts | |||
| 1981 | Pontiac | Catalina | Base | 5.0L | V8 | N/A | with Resonator; If welded assembly, replace all required parts | |||
| 1981 | Pontiac | Laurentian | Base | 5.0L | V8 | N/A | with Resonator; If welded assembly, replace all required parts | |||
| 1981 | Pontiac | Parisienne | Base | 5.0L | V8 | N/A | If welded assembly, replace all required parts | |||
| 1980 | Buick | LeSabre | 5.7L | V8 | N/A | If welded assembly, replace all required parts | ||||
| 1980 | Buick | LeSabre | 3.8L | V6 | N/A | If welded assembly, replace all required parts | ||||
| 1980 | Oldsmobile | 98 | 5.7L | V8 | GAS | N/A | If welded assembly, replace all required parts | |||
| 1980 | Oldsmobile | 98 | 5.0L | V8 | N/A | If welded assembly, replace all required parts | ||||
| 1980 | Oldsmobile | Delta 88 | 5.7L | V8 | N/A | If welded assembly, replace all required parts | ||||
| 1980 | Oldsmobile | Delta 88 | 5.0L | V8 | N/A | If welded assembly, replace all required parts | ||||
| 1980 | Pontiac | Bonneville | Coupe | 5.7L | V8 | N/A | If welded assembly, replace all required parts | |||
| 1980 | Pontiac | Bonneville | Sedan | 5.7L | V8 | N/A | If welded assembly, replace all required parts | |||
| 1980 | Pontiac | Catalina | Sedan | 5.7L | V8 | N/A | If welded assembly, replace all required parts | |||
| 1980 | Pontiac | Catalina | Coupe | 5.7L | V8 | N/A | If welded assembly, replace all required parts | |||
| 1979 | Buick | LeSabre | 3.8L | V6 | N/A | If welded assembly, replace all required parts | ||||
| 1979 | Pontiac | Bonneville | Brougham | 6.6L | V8 | N/A | with Resonator; without California Emission System | |||
| 1979 | Pontiac | Bonneville | Base | 6.6L | V8 | N/A | with Resonator; without California Emission System | |||
| 1978 | Buick | LeSabre | 3.8L | V6 | N/A | If welded assembly, replace all required parts | ||||
| 1978 | Buick | Riviera | 6.6L | V8 | N/A | Early Design; with Hanger on Rear of Resonator; If welded assembly, replace all required parts | ||||
| 1978 | Oldsmobile | 98 | 6.6L | V8 | N/A | Early Design; If welded assembly, replace all required parts | ||||
| 1978 | Oldsmobile | Delta 88 | 6.6L | V8 | N/A | Early Design; with Hanger on Rear of Resonator; If welded assembly, replace all required parts | ||||
| 1978 | Pontiac | Bonneville | 6.6L | V8 | N/A | with Resonator | ||||
| 1978 | Pontiac | Bonneville | 6.6L | V8 | N/A | with Resonator; without California Emission System | ||||
| 1978 | Pontiac | Catalina | Base | 6.6L | V8 | N/A | with Resonator | |||
| 1978 | Pontiac | Catalina | Sedan | 6.6L | V8 | N/A | with Resonator; without California Emission System | |||
| 1978 | Pontiac | Catalina | Coupe | 6.6L | V8 | N/A | with Resonator; without California Emission System | |||
| 1977 | Buick | LeSabre | 6.6L | V8 | N/A | If welded assembly, replace all required parts | ||||
| 1977 | Buick | Riviera | 6.6L | V8 | N/A | Early Design; with Hanger on Rear of Resonator; If welded assembly, replace all required parts | ||||
| 1977 | Oldsmobile | 98 | 6.6L | V8 | N/A | If welded assembly, replace all required parts | ||||
| 1977 | Oldsmobile | Delta 88 | 6.6L | V8 | N/A | If welded assembly, replace all required parts | ||||
| 1977 | Pontiac | Bonneville | Coupe | 6.6L | V8 | N/A | with Resonator | |||
| 1977 | Pontiac | Bonneville | Sedan | 6.6L | V8 | N/A | with Resonator | |||
| 1977 | Pontiac | Catalina | Sedan | 6.6L | V8 | N/A | ||||
| 1977 | Pontiac | Catalina | Coupe | 6.6L | V8 | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.