2004.5-2007 Ram 2500/3500 5.9L Cummins Chips, Modules & Tuners

Your 2004.5-2007 Ram 2500/3500 has a decent stock PCM, but it leaves out performance from your truck! Harness the full power of that aggressive 5.9L Cummins by installing any of our featured aftermarket tuners! Grant your truck additional horsepower, torque and throttle by upgrading your stock PCM to a performance-oriented tuner! Designed to overhaul your truck's shifting for an enhanced gear-holding and optimized shift pressures, Ram 2500/3500 owners can expect a notable increase in overall performance. Achieve improved injection timing/pulse and fuel rail pressure with a new aftermarket PCM Tuner from Alligator Performance. 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.