Cat Back Exhaust System 3.5 / 2.25 inch diameter
Dual Round Rolled Angle-Cut Long 4.0 Inch Tips
Borla Cat-back TM & 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 by motoring enthusiasts everywhere.
Each system is built from premium 300-series 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-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.
2011-2013 Chevrolet Silverado/ GMC Sierra/ GMC Sierra Denali 1500 6.2L V8 AT 2+4WD 2+4 Door Crew Cab-Short Bed(69.3")/Extended Cab-Standard Bed(78.7")