Flowmaster Super 44 Series Stainless 2.5" Offset In 2.5" Out Universal Muffler 1994-2000-gm-6-5l-non-duramax Upgrade your Duramax LML engine

Upgrade your Duramax LML engine with the HSP Diesel Billet Valve Covers to enjoy improved engine performance

Compatible With many modern applications from Ford

5" leveling kit and includes our popular front track bar relocation bracket

a revolutionary concept that helped achieve near two stage engine boosting performance in a single package

2017-2024 GMC Sierra 3500HD

Flowmaster Super 44 Series Stainless 2.5" Offset In 2.5" Out Universal Muffler 1994-2000-gm-6-5l-non-duramax Upgrade your Duramax LML engineFlowmaster's Super 44 muffler uses the same Delta Flow technology found in our larger Super 40 mufflers. The Super 44 delivers a rich powerful tone and are the most aggressive, highest performing street muffler we've ever built in a four inch case. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability. Features: Noticeable interior resonance Recent two chamber improvement Race proven Delta Flow technology Deep