Impala Forums banner

trifecta tune

  1. Best Tune For The 3.6 LFX Engine In The Chevy Impala ???

    8th Gen Engine Performance
    Tunes i found that are available for my 2015 chevy impala limited LTZ. Trifecta Overkill IPF Tuning I have looked over all 3 tunes, based on their proven dyno charts/Power Claims. Does Anybody have any experience with either of these tunes specifically?? How did it compare to what was...