2017-2019 Duramax L5P 4" Downpipe Back Exhaust w/ Muffler (431021) 2019 - 2022 Dodge Exhaust Systems

2017-2019 Duramax L5P 4" Downpipe Back Exhaust w/ Muffler (431021) 2019 - 2022 Dodge Exhaust Systems2017 2019 Duramax L5P 4" Downpipe Back Exhaust w Muffler (431021) 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! IMPORTANT NOTE: These kits will

7L EZ LYNK SOTF CCV Switch (FTCUMMINSTITAN)

7L Ford Powerstroke

these studs outperform even the most venerable manufacturer

enough fuel to support up to 775 RWHP with proper supporting modifications

Sold as a Brand New matched set

and threads to ensure even clamp load

0L Black Diamond Head Gasket (54450A)

7L Dual Fueler Install Kit w/ CP3 Pump (213003100)

The Jetfire turbos will out perform these budget turbos in every way

The fan may be converted to a "puller" fan so that it will draw air through the radiator fins

This deep transmission pan comes standard with the Deep Pan Transmission Filter (128058700)

optimize valve events and leave the valve open longer at higher lifts to get more air into the engine