2003-2007 Powerstroke 6.0L 4" Turbo Back Exhaust w/ Muffler (421024 / 422020) 6.5L 3L PML Reman Long Block

3L PML Reman Long Block Crate Engine

and cleaner tailpipe emissions

This nut drops into the engine

score the cam lobe

2003-2007 Powerstroke 6.0L 4" Turbo Back Exhaust w/ Muffler (421024 / 422020) 6.5L 3L PML Reman Long Block2003 2007 Powerstroke 6. 0L 4" Turbo Back Exhaust w Muffler (421024 422020) 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 Flo~Pro system. For powerhouse performance, Flo~Pro delivers horsepower you can hear!