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Walker 21992 Exhaust Resonator

Brand	Walker 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
Fits	Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac · 76 vehicles

Direct fit. Installs as a direct replacement with no modifications needed.

Aluminized steel. Helps resist corrosion while maintaining a durable exhaust resonator body.

OE-style sound. Precise tuning delivers original-system sound and excellent flow characteristics.

Cross-references Anchor 3219 for the same application. See all 1.

$73.94Free shipping

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Walker 21992 Exhaust Resonator Overview

Walker 21992 is a direct-fit exhaust resonator built for OE-style sound control and steady exhaust flow. It uses aluminized steel construction with a round body and center inlet and outlet layout for a factory-style replacement on select full-size GM and Pontiac applications.

Designed for vehicles such as the Cadillac Brougham, Chevrolet Caprice, and Pontiac Bonneville, this resonator follows original-system tuning principles to help restore the sound and flow characteristics expected from the factory exhaust. Walker 21992 is a practical choice when replacing a worn resonator on a direct-fit exhaust system.

Key Features

Direct-fit exhaust resonator for select classic GM applications
Aluminized steel body for corrosion resistance in exhaust service
Round resonator shape with center inlet and center outlet configuration
2.25-inch inlet and 2.25-inch outlet inside diameter
OE-style tuning for controlled exhaust tone and flow
Fits applications including Cadillac Brougham, Chevrolet Caprice, and Pontiac Bonneville
Walker part number 21992 for catalog and cross-reference use

Detailed Description

Walker 21992 is engineered as an exhaust resonator replacement for vehicles that use a 2.25-inch pipe connection and a center-in, center-out layout. The aluminized steel construction and round body design support long-term exhaust service while maintaining the sound profile associated with the original system. This part number is listed for a wide range of 1977-1992 applications, including Cadillac Commercial Chassis, Cadillac Fleetwood, Chevrolet Impala, Chevrolet Caprice, Oldsmobile 98, Oldsmobile Delta 88, Buick LeSabre, Buick Riviera, Pontiac Catalina, Pontiac Laurentian, Pontiac Parisienne, and Pontiac Bonneville.

This part cross-references Anchor 3219 for the same application. For buyers searching for a Walker resonator for Cadillac Brougham or a Chevrolet Caprice exhaust resonator replacement, 21992 provides a direct-fit option with OE-style tuning and factory-oriented dimensions.

What It Helps Address

Exhaust resonance or drone from a worn resonator
Loss of factory exhaust tone on older full-size vehicles
Corrosion-related replacement needs in the exhaust system
Fitment issues when restoring a center-in, center-out resonator layout
Replacement needs on welded exhaust assemblies where the resonator section is serviced separately

Installation Notes and Tips

Fits 1987-1992 Cadillac Brougham, N/A.
Fits 1985-1990 Chevrolet Caprice, N/A.
Fits 1978-1979 Pontiac Bonneville, N/A, with Resonator; without California Emission System.
Fits 1977-1978 Buick Riviera, N/A, Early Design; with Hanger on Rear of Resonator.
Fits 1981 Pontiac Bonneville, N/A, with Resonator.
Fits 1985-1986 Pontiac Parisienne, N/A, with 2.5 in Muffler Inlet.

Verify pipe diameter, inlet and outlet orientation, and any vehicle-specific notes before installation. If the exhaust uses a welded assembly, replace all required parts as noted in the fitment data. Confirm the resonator location and hanger arrangement on early-design applications before final fitment.

Quality Assurance

Walker designs this resonator to match original-system fit, performance, and sound characteristics using precise tuning methods and OE-style exhaust flow targets. The part is built for direct-fit service on confirmed applications and is identified by Walker part number 21992.

This part fits 76 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

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	—
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Directly replaces or cross-references 1 part number

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

Anchor — 3219