Quote:
Originally Posted by The Stig
HP Tuners is the program - but I highly suggest letting a professional do it as you can really mess up your car if you don't know what you're doing.
Yes, tuning your car will completely void your power train warranty.
On a stock M6? Maybe 20 ish?
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Yup...ditto.
There is also a plug in harness thingy that'll disable skip-shift...it's only around $15.