If you go to the american muscle site and go to free tunes for life. When you are there just place an order and it will be free. Then you should get an email with an order number. Go back to the american muscle site and look for the form that you have to fill out it will ask you some question about your order number, model, serial # for tune and what type of tuner. From there it will take you the form you fill out it will ask question about what type of tunes you want, what mods you have, and also what wheel size you have. Then in a couple of days there will write the tunes and send them by email with direction on how to upload them to your tuner.