MBRP 11-13 Chevy 1500 Silverado/GMC Sierra 6.2L V8 3.5in Cat Back Single Side Exhaust T409Our high flow performance exhaust systems maximize exhaust flow so your engine keeps its cool with lower exhaust temperatures. Your reward will be greater fuel efficiency; more torque; more horsepower; and last but not least a sound that is pure MBRP. XP Series Cat Back Exhaust System; 3 1 2 in.; Incl. Ext. Pipe Muffler Over Axle Pipe Tailpipe Hardware 4 in. Tip; Single Side Exit; T409 Stainless Steel; 4" OD Tip Included