Towing or hauling heavy loads with your 2004.5-2007 Ram 5.9L Cummins can make stopping quickly a challenge, especially if you're relying on the OEM exhaust brake. Alligator Performance offers a range of aftermarket exhaust brakes for the Ram 5.9L Cummins that provide superior stopping power, regardless of the load. These exhaust brakes outperform stock brakes and even the factory-optional versions, making them an essential upgrade for any serious towing setup, helping to ensure the safety of both you and your Ram when hauling heavy loads. 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.