Originally Posted by 5inco
I need to tune my mustang gt. Im between getting a dyno tune at a local reputable shop or email from lund. It has a vortech supercharger. If i go with the dyno tune they will have to flash the ecu. How exactly does that work? What if one day i want to go back to stock?
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If you have manual go with Lund tune. If you have automatic go with VMP tune.
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