Originally Posted by momo3605
Does this come with a bunch of generic tunes or is there any individual per car tuning?
When you begin the process, you have to first do a "Full Read" off your own car. This full read of your car is then emailed. A custom Hex Tune file is created for you within 24 hours and emailed back to you for uploading. The up/download processes take less than 20 minutes.