2008-2010 Powerstroke 6.4L 4" Downpipe Back Exhaust No Muffler (421007) 2002 6L Duramax will have improved

6L Duramax will have improved power

Deletes OE DPF & Catalytic Converter

Sold as balanced set upon completion of custom injector waiver

DOD Tower Plugs

2008-2010 Powerstroke 6.4L 4" Downpipe Back Exhaust No Muffler (421007) 2002 6L Duramax will have improved2008 2010 Powerstroke 6. 4L 4" Downpipe Back Exhaust No Muffler (421007) 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!