2023-2024 Powerstroke 6.7L 4" Turbo Back Exhaust (421039 / 421040)

Constructed out of 16 gauge aluminized steel, 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!