Chevy Silverado tune. Back to stock?

[Dman8884]

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 needed it to be completely hiden at the end of lets say a lease will there be any way to find such tune history? Thanks

[mikel]

we go in and come out clean, my leased GM is tuned

[Dman8884]

You just got a new customer thanks