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trifecta tune

  1. Trifecta tune

    Cadillac XT5 First Generation Forum (2017+)
    Hi everyone, has anyone on this forum ever used the trifecta tune for the xt5 if so let me know some of your experiences with it. I’ve searched this forum many times and can’t find any info on it, seems to be very popular for our 3.6l engine. I’m seriously considering this tune since they can...