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  1. 2021 GT Manual Transmission Stage 2 Roush supercharger ,active exhaust , rev match.

    Didn't change it . I might try it with my scan tool as well.

  2. 2021 GT Manual Transmission Stage 2 Roush supercharger ,active exhaust , rev match.

    So your suggesting Kam reset . One would think they would have done this for the ecm to relearn the vehicle

  3. 2021 GT Manual Transmission Stage 2 Roush supercharger ,active exhaust , rev match.

    Its definitely no where as aggressive as when it was not supercharged. It definitely pulls alot harder and effortlessly compare to before. I loved the sound of it previously its like they messed active exhaust and rev match . Rev match now hangs where it was a quick throttle snap.

  4. 2021 GT Manual Transmission Stage 2 Roush supercharger ,active exhaust , rev match.

    I have a 2021 GT and just added a Stage 2 Roush supercharger. It appears the new ecm programming greatly effects the active exhaust and rev match. The car no longer has the aggressive exhaust . Downs shifting no longer has the quick throttle snaps . It sounds more like downshifting a dump...


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