Borla Cat-Back And Axle-Back 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 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-controlled 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. 2014-2018 CHEVROLET/GMC Silverado/Sierra 1500 5.3L V8 Automatic/Manual Transmission. Crew Cab Standard Bed (78.7") 153.0" Wheel Base. Silverado/ Sierra 1500 2014-2018 Cat-Back Exhaust ATAK part # 140549BC
