4" Downpipe Back Single With No Muffler | Cab & Chassis-2017-2019 GM 2500/3500 6.6L DURAMAX L5P-431024 Air Bag Aluminum construction and heat-dissipating fins

Aluminum construction and heat-dissipating fins keep temperature down

These fabricator-style MAF mounts come in mild steel or aluminum to suite your needs

Adjust Throttle Response on the fly with steering wheel controls

Part Number: 0986435518-R3

4" Downpipe Back Single With No Muffler | Cab & Chassis-2017-2019 GM 2500/3500 6.6L DURAMAX L5P-431024 Air Bag Aluminum construction and heat-dissipating finsConstructed out of 16 gauge aluminized steel or T409 Stainless, this exhaust system is designed to simplify installation with included clamps, preweld contour bends and improved flanges. Enjoy a noticeable boost in performance, lowered EGTs and amplified air flow with this Mel's system. For powerhouse performance, Mel's delivers horsepower you can hear! Features: Ease of installation Contour Bent Hangers TorcTite Clamps OEM Style 4 Bolt Flange No