older trucks are whc1's huge turbine housings
later 12 valves and all 2nd gen manuals hx35's - 12cm housing
24 valve autos up to 2000 hx35 - 12cm housing
24 valve autos 00-02 hy35 - 9 cm housing
03-07 5.9's are a redesigned hy35 - 9 cm housing with 4" v band outlet
A forum community dedicated to Dodge Cummins Diesel truck owners and enthusiasts. Come join the discussion about reviews, drivetrain swaps, turbos, modifications, classifieds, builds, troubleshooting, maintenance, and more!