Very true. I know a guy that had a Supra with 548hp, I watched it dyno thats how I know it had that. He then installed an air/fuel controller and dyno tuned it to its peak and came out with 652 hp. He did run 1 or 2 more lbs of boost the second time, but the a/f controller definetly helped.

I am curious though, what kind of power gains can one expect on a GSR lightly modded no turbo with an a/f controller that is dyno tuned??