Walker 21443 Quiet-Flow Direct Fit Exhaust Muffler 4″ Inlet (ID) 3″ Outlet (ID)

WAL-21443 Walker 21443 Quiet-Flow Direct Fit Exhaust Muffler 4″ Inlet (ID) 3″ Outlet (ID)

Walker Quiet-Flow 21443 Direct Fit Exhaust Muffler 4″ Inlet (ID) 3″ Outlet (ID) for Ford F-250 Super Duty

Features:

• 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
• BUY WITH CONFIDENCE — Comes with Walker’s limited lifetime warranty and exclusive 90-Day Safe and Sound Guarantee. Visit Walkerexhaust.com for details.
• 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
• RESISTS CORROSION — Internal drainage system helps reduce moisture collection
• 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

Product Video – YouTube
Product Video – YouTube

Designed to deliver superior flow and OE-style sound, Walker Quiet-Flow mufflers are available for top-selling domestic and foreign vehicles. Quiet-Flow mufflers are backed by Walker’s limited lifetime warranty and 90-day Safe and Sound guarantee.

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