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Tuning question
I just bought a 2010 2SS 6 speed manual LS3. It has a K&N cold air system on it and Borla mufflers. As far as I can tell that's it. I have no idea whether it's been tuned or not and neither did the Dealer. Let's just say it has, my question is, will the tuner work on top of a tune that already exists? Any info would be greatly appreciated. Thanks in advance.
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