Originally Posted by DirtyD
I would much rather have a tune based off what my car was doing than one that was key punched into a program to spit out PID values to match my mods.
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My assumption could be wrong but, I would think that they all come with the exact same tune from the factory. I wouldn't expect tunes to vary from one Mustang GT to the next of the same year, powertrain etc. Could you possibly explain further on that?
-Alex