CORSA Performance's catback exhaust systems for the 2015 Chevrolet Tahoe and GMC Yukon 5.3L are now available. Both systems feature 3" 304L stainless steel construction with mandrel bent tubing. These systems are offered with single 4" pro-series twin tips with either a black or polished finish and outflow the factory exhaust by 53.71% !CORSA's catback systems for these trucks are classified with a "sport" sound which is a high performance sound which has a distinct rumble at idle, aggressive sound through the gears, and no drone during cruise. CORSA's patented Reflective Sound Technology (RSC) is responsible for creating the drone-free experience while cruising. This technology is what separates CORSA from other performance exhaust systems.Features and Benefits- 3" 304L stainless steel construction- Mandrel bent tubing- Twin 4" tips ( black )- Made in USA- Sport sound level- RSC no-drone technology- Limited lifetime warranty