2011-2019 Powerstroke 6.7L 4" Downpipe Back Exhaust No Muffler (421013)2011 2019 Powerstroke 6. 7L 4" Downpipe Back Exhaust No Muffler (421013) 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!

040 Piston with Rings

Quick Spool Up

superior fin layout

9L Injector Set 100HP (DDPISB-100)

DO NOT let the engine start without oil pressure

This full flow exhaust outlet flange is built for OBS 7

and overall drivability

Dodge 03-04 Injector Set: Brand New injectors at 60 percent over

Gator Fasteners Heavy Duty Head Studs are design to hold up to the pressure of your 7

Safeguard your engine’s moving parts and extend its service life by adding our High-Zinc & Phosphorus Diesel Oil Additive to your maintenance routine

4L 3-1/2" DPF Race Pipe (421001)

This gasket set is constructed to meet or exceed the OE specifications and are made from high-quality materials to provide longer service life