Borla Sierra ATAK Dual Exhaust System Rear Exit S501743 (14 18 5.3L Borla GMC Sierra S Type Exhaust vs. Borla GMC Sierra ATAK Exhaust 2015 GMC Sierra 6.2L Stock vs Borla ATAK Exhaust YouTube Borla For 14 18 Silv Sierra C B Exh ATAK 1500 5.3L V8 Ext Cab(78.7. The BORLA sound of power. Its been described as asonic shot of adrenaline. An intoxicating concert ofsteel, gears and combustion that echoes from thespeedways, deserts and highways of the world. The sound of more victory laps than any otherbrand, the BORLA exhaust note has become the quintessentioal soundtrack of high performance motoring. And like all good automotive designs there is function behing the form. As any driving enthusiast knows, the sound of an exhaust provides more than just ear candy. Its a communications conduit between car and driver. A link between human and machine. The exhaust sound provides accoustic feedback of engine rpm to aid the driver in critical decisions such as gear selection or throttle input in rev match shifting. At BORLA, we understand this concept better than any exhaust manufacturer. Combining patented technology with computer modeling, extensive prototyping and advanced sound analysis tools. BORLA engineers spend countless hours tuning exhaust systems to best reflect the personality and performance of vehicle applications. The result is an enhanced driving experience. With unrivaled clarity, the BORLA exhaust note can help a driver stay within the powerband through a difficult section, using the exciting sensory feedback of sound. With unrivaled clarity the Borla exhaust note can help a driver stay within the powerband through a difficult section, using the exciting sensry feedback of sound. This Part Fits: Year Make Model Submodel 2016 2018 Chevrolet Silverado 1500 Custom 2014 2018 Chevrolet Silverado 1500 High Country 2015 2018 Chevrolet Silverado 1500 LS 2014 2018 Chevrolet Silverado 1500 LT 2014 2018 Chevrolet Silverado 1500 LTZ 2015 2018 Chevrolet Silverado 1500 SSV 2014 2018 Chevrolet Silverado 1500 WT 2014 2018 GMC Sierra 1500 Base 2014 2018 GMC Sierra 1500 Denali 2014 2018 GMC Sierra 1500 SLE 2014 2018 GMC Sierra 1500 SLT