Replace your Ram 2500/3500's factory-standard downpipes with our lineup of Downpipes. Optimize your Ram 2500/3500 truck with improved exhaust flow after turbo engagement and feel the substantial horsepower and torque gains that only a powerful 5.9L engine can offer. Make every turn of your ignition a special occasion with the iconic deep, mean, and aggressive tones that are only found in diesel powered behemoths. Make a statement on your 2003-2004 Ram 5.9L Cummins truck with the addition of a high quality durably constructed downpipe!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.