2001-2007 Duramax 4" Cat Back Exhaust OEM 4 Bolt Flange w/ Muffler (431110) 1989 Dodge Engine Components Incorporating BD's exclusive Variable Orifice

Incorporating BD's exclusive Variable Orifice Technology

and a 68mm SXE style turbine wheel

9L Hamilton Cams Over Sized Valves (07-h-002)

more affordable BD Roadmaster turbo that will help reduce future repair costs and down time

increase fuel economy

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!