The U7164 DiabloSport Predator for Ford 6.4L SuperDuty Diesel trucks isn't only engineered to raise hell, it's engineered to improve fuel economy and drivability while towing as well! With four performance tunes to choose from( 40 HP - 160 HP ) this Predator has all the options you need to pick up the pace! The U7164 also features internet updates and the ability to check and clear diagnostic trouble codes.