The BD Diesel Electronic Exhaust Brake increases your towing confidence by creating up to 150 retarding HP! Without the need of an air compressor and air lines, this electronic inline brake is easy to install and features less maintenance compared to conventional air brakes. BD's exclusive Variable Orifice Technology creates uniform controlled pressure regulation through the RPM range, for reliable consistent engine braking. BD Electronic Exhaust Brake 4.0in Valve RAM 2500/3500 6.7L Cummins 2007.5-2017 Suggested items: 1030050 - 1030362 - 1030606-1/2