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You have added horsepower and torque with one of our many products, but don't forget being able to stop quick is more important than accelerating quick. Give your self some extra confidence when descending that long grade. D-Celerator exhaust brakes are designed to operate within the strict guidelines of the engine and transmission manufacturers, there by not affecting your new vehicle warranty.

Fits:
Dodge Cummins 2003 HO with factory exhaust
Chevy Duramax 2002- 2004 with factory exhaust
Dodge Cummins 24valve with 3.5" exhaust