I don't think this will apply but I had the LET tune...was hot ******* w/ a friend on an old abandoned road I like to play on, took a hard hair pin turn, done this several times in the past, when boom, with the traction control off, like always, it over rides and comes on, and I have no choice but go with it into a 360, saving the car. I always power thru that turn...contacted Wayne, who informed me the car still has a memory. That I would need to re-set the memory, meaning undo the negative cable for a short time to blank the memory and car should return to the original tune...I did this and sure enough the car runs better...but I didn't get a chance to confirm this not making the test and tune a few weeks ago...I certainly would look into it, my tune is supposed set to 190 mph...but can't confirm that either rt now...