Industrial Injection HX40 Style Downpipe and Clamp 98.5-02 Dodge 5.9L Cummins HX40DP2

All PhatShaft turbos for the 2nd Generation Cummins trucks require a 4" downpipe, as opposed to the factory 3". This downpipe replaces the factory downpipe and allows for the four inch outlet of the PhatShaft turbos.