Since I upgraded from the Select a tune to the upgrade? First off when I installed the upgrade, my computer shut down in the middle. Not sure how it finished or what? I did start it over to make sure it completed. As I said in another post, my MPG is down a little. Normally after filling up I am able to get the computer to display 45+ on the MPG even it is for a short time? Now it hovers around 30 or less most the time. Maybe it is getting more realistic? Been thinking about going back select a tune again if not stock?? Seems I got my tunes crossed.