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Incorporating BD's exclusive Variable Orifice Technology
9L Hamilton Cams Over Sized Valves (07-h-002)
6L Duramax L5P trucks
ARP Flywheel bolts feature an exclusive flat 12 point head design and a larger than stock underhead radius for increased strength
2001-2007 Duramax 4" Cat Back Exhaust OEM 4 Bolt Flange w/ Muffler (431110) 1989 Dodge Engine Components Incorporating BD's exclusive Variable Orifice2001 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 Flo~Pro system. For powerhouse performance, Flo~Pro delivers horsepower you can hear!