Our 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; 4 in.; Incl. Ext. Pipe/Muffler/Over Axle Pipe/Y-Pipe/Tailpipes/Hardware/5 in. Tips; Dual Split Side Exit; T409 Stainless Steel; 5" OD Tips Included