MBRP 2005-2008 Chevy Corvette Dual Muffler Axle Back 4 Round Dual Wall TipsOur 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. PRO Series Dual Muffler Axle Back Exhaust System; 2 1 2 in.; Incl. Over Axle Pipes Mufflers Hardware 4 in. Round Dual Wall Tips; Dual Rear Exit; T304 Stainless Steel; 4" OD Tip Included