2011-2016 Duramax 4″ Installer Series Race Pipe w/ Muffler (CGMAL432)

Description

The P1 Race Parts CGMAL432 is the perfect setup for the 2011-2015 GM Duramax that’s being built to perform.

P1 Race Parts Exhaust knows that when it comes to competition, mandrel bending is a must. Their mandrel-bent exhausts have the lowest bend degree angles and extensive tuning to ensure you have the lowest possible EGT’s, maximum horsepower, maximum flow, and maximum exhaust flow