So the power shown above is at the rubber and is the final run and cal for the racing H-pipe that we are developing. 37.5 hp gain at the wheels puts me roughly at 460 at the crank. With a few more simple screw on parts, we plan on cracking 400 on the dyno. That is about 500 hp at the crank of no engine mod , fuel economical, bolt on in your driveway in a couple hours power. Uncorking the 5.0 Coyote, most fun at work that I've had for a long time.