4" Race Pipe without bungs, with muffler, AL

Stay at the top on race day in your 2011-2015 GMC/Chevy 6.6L LML Duramax with the P1 Race Parts CGMAL432 4" Installer Series Race Component Kit. P1 Race Parts Installer Series Race Component Kit is built from Aluminized Steel and comes complete with OE style hangers and clamps for an easy installation. Features: No Bungs High-Flow Muffler 4" Aluminized Steel OE Style Hangers For Easy Installation Maximum Flow For Competition Applications *Race Only* **This product is not legal for sale in the province of Ontario for road/highway use. Please check with local and provincial legislation/regulations for legality of such product/s We assume no liability for misuse of this product/s.**