2001-2007 Duramax 4" Cat Back Exhaust OEM 4 Bolt Flange w/ Muffler (431110)2001 2007 Duramax 4" Cat Back Exhaust OEM 4 Bolt Flange w Muffler (431110) 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!

Although similar in concept

Fits: 2011-2014 Ford F250/F350/F450/F550 6

The stock Duramax engine oil pan is stamped steel (very poor heat dissipation) and there is a valley in the pan that prevents your old oil from being completely drained on each oil change

2008-2010 Duramax LMM Dynomite Diesel Stock Reman Injector (DDPLMM-STK)

This head stud kit is a direct-fit for 24-valve 5

2002-2004 Duramax LB7 PPE Cast Steel Thermostat Housing Cover (119000530)

for your 2011

more stable valvetrain operation

Disconnect the fuel system and spin the engine with the starter until oil pressure can be read or until oil is coming out of the rocker arms

7L GPEC2A PCM Unlock

Dress up your boring

oversized turbine wheel