Best Choice Borla 09-11 Chevrolet Silverado / 09-11 GMC Sierra S-Type SS Catback Exhaust

This 2.75" diameter into dual 2.25" Cat-Back(tm) system delivers the mellow Touring sound with no drone inside the vehicle. The system features single 4" round bright chrome on T-304 stainless steel tips on each tail pipe. Borla(r) Cat-Back(tm) & Axle-Back exhaust systems feature patented straight-through and multi-core technology designed to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive Borla(r) Sound of Power respected by motoring enthusiasts everywhere. Each system is built from premium T-304 stainless steel, superior to T-400 series knockoffs (such as 409), to give you the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow & power, and precision computer numerical control (CNC) manufacturing ensures an accurate fit. Best of all, Borla(r) stands behind every system with a Million-Mile Warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.This Part Fits:YearMakeModelSubmodel2009-2013ChevroletSilverado 1500Hybrid2009-2013ChevroletSilverado 1500LS2009-2013ChevroletSilverado 1500LT2009-2013ChevroletSilverado 1500LTZ2009-2013ChevroletSilverado 1500WT2010-2013ChevroletSilverado 1500XFE2013ChevroletSilverado 2500 HDLT2013ChevroletSilverado 2500 HDLTZ2013ChevroletSilverado 2500 HDWT2011GMCSierra 1500Denali2009-2013GMCSierra 1500Hybrid2009-2013GMCSierra 1500SL2009-2013GMCSierra 1500SLE2009-2013GMCSierra 1500SLT2009-2013GMCSierra 1500WT2010-2013GMCSierra 1500XFE2013GMCSierra 2500 HDSLE2013GMCSierra 2500 HDSLT