2007-2009 Cummins 6.7L 4" Turbo Back Single No Muffler (411014 / 412014)2007 2009 Cummins 6. 7L 4" Turbo Back Single No Muffler (411014 412014) 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!

Mahle Gaskets meet or exceed OE specifications and are built to fit exactly like the originals with superior materials

Dynomite Diesel Injector Protector is a diesel fuel additive that has been specifically formulated for your diesel engine's sensitive fuel injectors and high pressure pump

020 (224-3452WR

Includes 3/4-inch wide band 304 stainless steel clamps

These come with the better turbine wheel

it can be damaged by using incorrect oil

Once the housing cracks

Brand new injector set flowing at 15 percent over

SynShield® Durability Advantage 15W-40 creates a slippery

but you can rest assured that the sealing job they do will be effective and efficient

nozzles flow at 150 percent over and the injectors have had internal calibration upgrades for added fuel delivery

do so before adjusting valves