Walker Exhaust 21577 Exhaust Muffler

Buyer fitment guide only intended as reference. Please use catalogue search by vehicle to ensure proper fitment.

• AP Exhaust 2539
• AP Exhaust 700489
• General Motors 15092771
• General Motors 15131558
• General Motors 20920632
• General Motors 25940543
• General Motors 15092782
• General Motors 25788936
• General Motors 20786563
• General Motors 20920633
• General Motors 25940544
• General Motors 25940536
• General Motors 25940535
• General Motors 20920637
• General Motors 15131555
• General Motors 15243106
• General Motors 25828814
• General Motors 15092770
• General Motors 25855086
• General Motors 25828815
• General Motors 25855087
• General Motors 15092769
• General Motors 15253655
• General Motors 15254083
• General Motors 25855085
• General Motors 15092781

• 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
• CORROSION RESISTANT STAINLESS STEEL -- The only broad-market muffler with 100% stainless-steel construction that delivers longer life versus aluminized mufflers while an internal drainage system reduces moisture collection
• DESIGN VALIDATED -- Acoustic and flow tested for quality OE-style sound you can count on
• EASY TO INSTALL -- Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation and doesn't require specialized fabrication and/or welding
• PREMIUM ACOUSTIC CONTROL -- OE-style louvered tubes lower noise levels while OE-style domed heads help reduce radiated noise for premium factory-style sound quality compared to straight perforated tubes
• BUY WITH CONFIDENCE -- Comes with Walker's limited lifetime warranty and exclusive 90-Day Safe and Sound© Guarantee. Visit Walkerexhaust.com for details.
• 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.