2007.5-2010 Duramax LMM P1 4" Down Pipe Back Exhaust w/ Muffler (C6004P)

Built from Heavy-Duty Aluminized Steel, the P1 Performance Products C6004P 4" Down Pipe Back Exhaust System offers a value price without having to compromise on the quality built into every component. While the seams are a major point of rust through with some budget systems, P1 Performance Products utilizes fully sealed tubing which will add years of life to your system. This exhaust has been specifically tuned to optimize performance, sound & fuel efficiency on your LMM.