Turbo Models: HE351 / HX40. For Dodge Ram 5.9L Cummins 2nd Gen 1994-2002 (12V & 24V). For Dodge Ram 5.9L Cummins 3rd Gen 2003-2007 (Including the key 2004.5+ models). Dual-function design: Use as a dedicated exhaust flange OR as a turbo-to-turbo adapter.
