Most 4.0L will pull about 170-180 RWHP at most, stock. On a Mustang Dyno, I was able to put down 200RWHP and 198TQ with an AFE CAI, Brenspeed 93 tune, Ninosport duals with GT take offs. Mustang Dyno is more real world numbers, or about 6-8% lower that a DynoJet would show. I'm happy with my...