Bully Dog Thruster Throttle Booster 07-21 Dodge/Ram 5.9L/6.7L Cummins 08-22 GM 6.6L Duramax. Fits: 2004.5 - 2007 Ram 5.9L Cummins; 2007.5 - 2009 Ram 6.7L Cummins; 2007.5 - 2010 Chevy/GMC 6.6L LMM Duramax; 2010 - 2018 Ram 6.7L Cummins; 2011 - 2016 Chevy/GMC 6.6L LML Duramax; 2017 - 2019 Chevy/GMC 6.6L L5P Duramax; 2019 - 2024 Ram 6.7L Cummins; 2020 - 2025 Chevy/GMC 6.6L L5P Duramax.