BORLA 140546 Cat Back Exhaust System Silv / Sierra 1500 2013- 5.3L Ext. Cab Standard,Crew Cab Short ATACK Split Side Exit ymm_1 The ProXS Muffler features a

The ProXS Muffler features a 2" center inlet and 2" center outlet

It delivers a mellow Touring tone with no interior drone and is tuned for compatibility with other aftermarket performance upgrades

chrome moly is classified as a quench and temper steel

4 Nm at 4650 rpm (+11

Merge X-Pipe for increased performance and ATAK sound

BORLA 140546 Cat Back Exhaust System Silv / Sierra 1500 2013- 5.3L Ext. Cab Standard,Crew Cab Short ATACK Split Side Exit ymm_1 The ProXS Muffler features aDescription BORLA 140546 Cat Back Exhaust System Silv Sierra 1500 2013 5. 3L Ext. Cab Standard,Crew Cab Short ATACK Split Side Exit This system features the aggressive ATAK sound and 4" bright chrome on T 304 stainless steel tips. Cat Back and Axle Back multi core technology is designed to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive sound respected by motoring enthusiasts.