2004.5-2007 Ram 2500/3500 5.9L Cummins Exhaust Manifolds & Up-Pipes

Enhance the performance of your 2004.5-2007 Ram 5.9L Cummins 2500/3500 with a premium exhaust manifold from Alligator Performance. Engineered for significant horsepower and torque gains, these manifolds improve throttle response and help you unlock the full potential of your 5.9L Cummins. Whether you need better low-end power with a single-scroll design or prefer top-end performance with a twin-scroll option, we offer a variety of styles to meet your performance goals. Discover the perfect match for your Ram at Alligator Performance. Further enhance your diesels performance with Engine Upgrades! 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.