Industrial Injection HX40 4" Downpipe, Dodge (2003-07) 5.9L Cummins, 3rd Gen (with Clamp)

Industrial Injection HX40 4" Downpipe, Dodge 5.9L Cummins, 3rd Gen (with Clamp) All PhatShaft turbos for the 2003 through 2007 Cummins require a 4" downpipe, as opposed to the factory 3.5". This downpipe replaces the factory downpipe and mounts to the 4" outlet of the PhatShaft turbos. It will come with an exhaust clamp.