You have an LLT which has a Bosch ECM. When I got my tune the best was IPF. I can say my IPF tune is really great. Tracy at RX seems to believe that trifecta has finally got a Bosch tune that's good. I have not seen one yet that was close to an oem tune, but that doesn't mean it hasn't been worked on.
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1st IPF Supercharged 2011 2LT/RS RJT Convertible
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