MBRP 2001-2007 Chev/GMC 2500/3500 Duramax Classic EC/CC 5 Off Road Single Side (includes front p

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 Off Road Down Pipe Back Exhaust System; 5 in.; Incl. Front Pipe/Extension Pipes/High Flow Muffler/Tail Pipe/Exhaust Tip/Clamps; Single Side Exit; T409 Stainless Steel;