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Magnaflow Stainless Steel Muffler 22x5x11 3 C/C 12579Ships to Continental US Only.   MagnaFlow Muffler Mag SS 22X5X11 3 C/C

UNIVERSAL - 4" INLET/OUTLET X 28-1/2" LENGTH   Polished-stainless with straight-through 4 diameter flow path Exclusive expansion chamber dissipates annoying mid-range drone Flows up to 201% better than stock Authoritative, but never overpowering,...

UNIVERSAL - 4" INLET/OUTLET, 30" OVERALL   MBRP high flow performance diesel mufflers are available as individual components. Get the best sounding muffler on the street today. Each muffler is built from T304 Stainless Steel and boasts a fully...

2007.5-2010 GM 6.6L DURAMAX LMM (ALL CABS & BEDS)  The Best Systems Start with the Best Materials Built from heavy duty aluminized steel our Performance Series exhaust systems offer a value price without compromising on the quality built into...