Walker Exhaust Exhaust Muffler 21577
A muffler without any pipes, which are typically universal in fitment. (21577) by Walker Exhaust
The only broad-market muffler with 100% stainless-steel construction, Walker ® Quiet-Flow ® SS mufflers feature precision fit, superior flow and OE-style sound. Quiet-Flow SS mufflers are available for most domestic and import vehicles.
BUILT TO LAST -- Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
Fits: 2007 Chevrolet Avalanche, 2013-2007 Chevrolet Pickup - Silverado 1500 1/2 Ton, 2007 Chevrolet Suburban - 1500 1/2 Ton, 2013-2007 GMC Pickup - Sierra 1500 1/2 Ton, 2007 GMC Yukon XL 1500
Vehicle Fitments:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2007 | Chevrolet | Avalanche | Base, LS, LTZ, LT |
| 2007 - 2013 | Chevrolet | Silverado 1500 | Base, WT, LS, LT, LTZ |
| 2009 - 2013 | Chevrolet | Silverado 1500 | Hybrid |
| 2010 - 2013 | Chevrolet | Silverado 1500 | XFE |
| 2007 | Chevrolet | Suburban 1500 | Z71, LT, LTZ, Base, LS |
| 2009 - 2013 | GMC | Sierra 1500 | Hybrid |
| 2007 - 2013 | GMC | Sierra 1500 | SL, Denali, SLE, WT, SLT |
| 2010 - 2013 | GMC | Sierra 1500 | XFE |
| 2007 | GMC | Yukon XL 1500 | SLT, Denali, SLE |