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

Uses the stock factory power wire with no ground wire needed

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

these lights are perfect for service trucks

Black braided nylon coolant bypass hose with AN fittings

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