This exhaust fits 1500 Series Silverado’s and Sierras with the 5.3L engine Crew Cab Standard Bed (78.7″) 153.0″ Wheel Base. It works on both 2WD and 4WD models.

Atak is Borla’s loudest exhaust with an aggressive, and throaty tone. This system features their Polished Stainless 4″ Tips

BORLA Cat-Back™ exhausts 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 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’d expect from the world’s most experienced (and most winning) exhaust brand.