When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
You could load the tune onto the tuner most people have the stock tune that gets saved on the tuner as they load the aftermarket tune from the tuner onto the cars computer. I wouldnt reccomend trying to put a tune on a car that already has a aftermarket tune if that is what your asking