A 5-inch stainless steel downpipe-back exhaust for the 6.6L Duramax LML. It replaces the factory piping from the downpipe rearward with a larger-diameter system for maximum flow. Select your model years from the options above.
Fits GM Duramax LML 6.6L (select your years)
5-inch diameter piping
Stainless steel construction for corrosion resistance
Downpipe-back design
Racing and Off-Road Use Only: This product is intended solely for competition, racing, and off-road vehicles. It is not intended for installation or use on any vehicle registered or operated on public roads or highways. The purchaser is responsible for ensuring compliance with all applicable federal, state, and local laws.
