Kettback Sierra BTM from 2007-2018

Kit Back Sierra - Silverado model 2007 - 2018 features and specifications Kit Back BTM for GMC and Silverado: Comes with the agency exhaust outlet + two right outlets, pipe size 3 inches. The thickness of the pipe flange is 4 mm (thicker than usual flange plates). The benefit is stronger durability for throwing and cutters. Kit Back BTM with the device (electronic) 3 inches. One-year warranty on welding. 304 stainless steel. Increases engine performance and horsepower. Compatible with Sierra and Silverado models from 2007-2018.