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sct x4

  1. Cobb ap3.

    Mustang EcoBoost Performance
    Can you modify shift points and rev limiter? Apparently you can with the sct, im wanting to change the shift points way down so the car has to stay in the powerband during "spirited" driving.
  2. tuning with slightly modded ecoboost mustang

    Mustang EcoBoost Performance
    I tuned my '15 ecoboost mustang with the ford performance calibration and the GT 350 CAI set-up. I was wondering if anyone knew if to tune the ecoboost mustang with other tuners like SCT X4 or Cobb, would I need to tune everything back to stock or just change the tune/calibration back to stock...