4" Aluminized Downpipe Back Single With Muffler 2020-2023 GM 2500/3500 6.6L DURAMAX L5P- 431027 Year Applicable:2020-2023 you can trust that it

you can trust that it will perform flawlessly

Dry filter

Unique filter-to-housing Interface for secure fitment and easy Installation

NOTE: Fuel Lines MUST be replaced or sent in for cleaning to retain warranty

Aluminum construction and heat-dissipating fins keep temperature down

4" Aluminized Downpipe Back Single With Muffler 2020-2023 GM 2500/3500 6.6L DURAMAX L5P- 431027 Year Applicable:2020-2023 you can trust that itDescription Constructed 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 Factory Style