Borla 2011-2013 Chevrolet Silverado 1500/ 2011-2013 GMC Sierra 1500 Cat-Back Exhaust System S-Type Part # 140437

This 3.5" diameter into dual 2.25" Cat-Back™ system features single 4" round bright chrome on T-304 stainless steel tips on each tail pipe. The system delivers the classic S-Type sound with no drone inside the vehicle. BORLA® Cat-Back™ & Axle-Back 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 by motoring enthusiasts everywhere.

Each system is built from premium T-304 austenitic 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® 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.