2004.5-2007 Ram 5.9L Cummins Chips, Modules & Tuners

Without an adequate tuner, your impressive 5.9L Cummins engine is losing out on potential performance gains. Draw out every little drop of performance from your 2004.5-2007 Dodge 5.9L Cummins truck with an aftermarket tuner from Alligator Performance! Designed to optimize overall truck performance, these featured tuners also carry additional benefits that include improved gear-holding, optimized shift pressure, and a variety of integrated performance modes that will draw out performance gains that are left out in the ether! Ram 2500s and Ram 3500s with the powerful 5.9L engine are also treated to real-time diagnoses with these performance tuner monitors, enabling you to eliminate problems before they snowball out of control! Keep tabs on your truck's health and performance with the line up of 2004.5-2007 Dodge 5.9L Cummins Tuners. Ram Cummins Fitments: 2004, 2005, 2006, 2007 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.