MBRP 4" Aluminized Turbo Back Exhaust for 01-10 Duramax No Muffler


MBRP 4" Down Pipe Back exhaust w/o muffler, or Good Old Straight Pipe as they call it... MBRP's quality is second to none, and this exhaust kit proves it. With its 4" Mandrel bends and Fit the First Time motto, you can't go wrong with MBRP. Adds hp and lowers EGT's.