2015.5-2016 Duramax 5" Downpipe Back Exhaust System w/ Muffler (531007 / 532007)

Engineered for 2015.5-2016 Duramax diesel engines, this 5" downpipe back exhaust system delivers maximum flow and performance. The complete setup includes a high-flow muffler designed to reduce backpressure while maintaining a commanding exhaust note. Available in both 531007 and 532007 configurations to match your specific application. Constructed from premium materials for durability and longevity, this system enhances horsepower and torque while improving fuel efficiency. Direct bolt-on installation makes upgrading straightforward without extensive modifications. Perfect for diesel enthusiasts seeking noticeable performance gains and a more aggressive appearance.