Dallas Speedcal or if you have a free tunes for life just get them to burn a new one. The Speedcal is nice because you just flip a few switches and go.
2000 Mustang GT Steeda #0048 34k miles. 99 Cobra 4V swapped, FTBR IRS swapped, exhaust, tuned by James Gordon.
Just because I give you advice, doesn't mean I know more than you. Its just means I've done more stupid ****.