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I've gotten good service from them. On their Mustang Dyno, my '05 4.0L/auto vert pulled 190rwhp and 220# torque (93 tune and C&L intake). I now run that setup on my 5-spd coupe, with a current best ET of14.653 at 94.14mph.
Well, I guess I'll add my 2 cents
buy alternative auto tunes. They make my car quickest. I hate saying that last part, makes me sound like a ego maniac.