most delaers don't worry about the retunes, some send car there themeselves. But if it some thing big and your worried the stock cals can be reloaded back in 5 mins.
Tuners keep the files of tunes on your car.
Another way is to have a 2nd cloned pcm with a stock tune for emergencies.
Tuners keep the files of tunes on your car.
Another way is to have a 2nd cloned pcm with a stock tune for emergencies.