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![Walker Quiet-Flow Stainless Steel for 2000-2006 Cadillac, Chevrolet, GMC w/4.8L, 5.3L [Aluminized]](https://www.jegs.com/images/mini_750/200/289/289-21423.jpg)
Vehicle Info NeededDYNOMAXPART NUMBER: 289-21423
Walker Quiet-Flow Stainless Steel for 2000-2006 Cadillac, Chevrolet, GMC w/4.8L, 5.3L [Aluminized]
$10899
Ships on 11/18/2026
Lowest Price GuaranteeQuiet-Flow Stainless Steel2000-2006 Cadillac, Chevrolet, GMC 4.8L, 5.3L Engine Inlet 2.625 in. Outlet 2.625 in. 28 in. Length Stainless Steel Aluminized Finish Sold Individually
The Walker 21423 is a quiet-flow stainless steel for 2000-2006 Cadillac Escalade, Chevrolet Avalanche 1500, Suburban 1500, Tahoe, GMC Yukon, Yukon XL 1500 equipped with the 4.8L, 5.3L engine options, built from stainless steel with an aluminized finish. It is engineered as a direct-fit replacement to restore proper exhaust system performance.
Walker 21423 Features:
- Material: Stainless Steel
- Finish: Aluminized
- Inlet Diameter: 2.625 in.
- Outlet Diameter: 2.625 in.
- Length: 28 in.
- Inlet Type: Pipe Connection
- Outlet Type: Pipe Connection
- Grade Type: Premium
- Direct-fit application for 2000-2006 Cadillac Escalade, Chevrolet Avalanche 1500, Suburban 1500, Tahoe, GMC Yukon, Yukon XL 1500
Part TypeMuffler
BrandDYNOMAX
Package Height7.82
Package Width10.75
Package Length28.85
Weight14.0 PG
Part CategoryPerformance Parts
Muffler MaterialStainless Steel
Outlet Diameter2.625 in.
Outlet Quantity1
QuantitySold Individually
Overall Length28 in.
Inlet LocationOffset
MaterialStainless Steel
Inlet TypePipe Connection
Case ShapeOval
Body Width9 in.
Muffler FinishAluminized
Outlet LocationOffset
Body Length24 in.
Inlet Diameter2.625 in.
Body Height7 in.
Outlet TypePipe Connection
Inlet Quantity1
Part FitmentDirect Fit
FinishAluminized
Vendor Part Number21423
Package Qty1
Package TypeEA
Some parts are not legal for use in California or other states with similar laws / regulations
