S-Type Cat-Back(tm) Exhaust System For 2011-2013 Chevrolet Silverado 1500/ GMC Sierra 1500/ GMC Sierra Denali 1500 6.2L V8 Automatic Transmission 2 & 4WD Crew Cab Short Bed (69.3")/ Extended Cab Standard Bed( 78.7").

Borla Cat-Back and Rear Section exhaust systems feature patented straight through and multi-core technology to unleash hidden horsepower. Increased exhaust velocity adds power; driving excitement; fuel economy; and the distinctive Borla Sound of power respected enthusiasts everywhere. Each system is built from premium 300 series austenitic stainless steel; superior to T-400 series knockoffs; to give you the absolute best in performance and durability. Ultra smooth mandrel bends ensure maximum flow and power; and precision computer controlled CNC manufacturing ensures an accurate fit. Best of all Borla stands behind every system with a Million-Mile Warranty. Just what you would expect from the worlds most experienced and most winning exhaust brad.