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  1. Infiniti Q50 Dealers & Pricing
    So I just got tuned about maybe 2 months ago by Branden from Btunedperformance and last week I noticed knock retard went up in the -6’s so I caught a data log and emailed it to my tuner. He said that it is actually slightly knocking (not audible) and it looks like a fuel systems issue due to the...
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