You just got a new customer thanks

Looking into these tuners and was wondering when putting in these tunes the check engine light obviously doesn't come on which is good but if I wanted to take all the aftermarket parts off my truck and return the truck to a stock tune will it be completely hiden that I tuned the truck at all? Say I ...

Looking into these tuners and was wondering when putting in these tunes the check engine light obviously doesn't come on which is good but if I wanted to take all the aftermarket parts off my truck and return the truck to a stock tune will it be completely hiden that I tuned the truck at all? Say I ...