Or.....get a tuner! Is the car stock? If so, I would be wanting to know why it was tuned and how...
Another q for all, since he now is tuned, where is his stock tune? Can GM put the stock tune back in so a tuner can then modify?
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2010 SS 2SS M6 - Tune by RDP dynoSteve!(Woot) - Daily Driver - 150K! - All work by me...
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