2017-2023 Duramax L5P P1 4" Performance Series Downpipe-back Race Exhaust System w/ Muffler (C6056P)

Stay at the top on race day in your 2017-2023 GMC/Chevy  6.6L L5P Duramax with the P1 Performance Products C6056P 4" Performance Series Race Exhaust System. P1 Performance Products Performance Series Race Exhaust System is built from aluminized steel and comes complete with OE-style hangers and clamps for easy installation.