2003-2004 Ram 5.9L Cummins Chips, Modules & Tuners

If you want to take your 2004.5-2007 Dodge 5.9L Cummins to the next level, look no further than an aftermarket performance tuner from Alligator Performance! Our selection of tuners is designed to optimize overall truck performance and come with additional benefits like enhanced gear-holding and optimized shift pressure, and offers multiple integrated performance modes. Many of these featured tuners also allows Ram 2500 and Ram 3500 owners to keep tabs on your truck's health and performance with these monitors thanks to real-time diagnostics! Ram Cummins Fitments: 2003, 2004 Ram 5.9L Cummins. Submodel Fitments: Tradesman, Laramie, Laramie Longhorn, Big Horn, Limited, Lone Star, Power Wagon. Some exceptions apply, please see individual product pages for specific fitments.