Pro tune. Supporting local dyno/tuning shops and if there is any problems, you go back to the shop and they figure it out right there on the spot. And re tunes are normally cheaper, and more fine tuned.
1993 cobra all original unmolested- sold
1988 4.6l swapped 99 cobra motor built road racecar.
1988 sunroof 99lightning red 5.0l mild built driver.
1989 tropical yellow 25th anniversary 125 ever built.