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    • Shiftech 2021 C8 Audi RS6 EA825 4.0 TT V8 tune results - 702 PS

      More European tuner results for the new C8 generation Audi RS6. You likely saw HGP posted their Stage I results along with MTM for the new EA825 V8 earlier this year. Shiftech joins them but their power numbers are much lower for whatever reason.


      While MTM and HGP are getting to 780+ PS Shiftech is showing 702 PS with their Stage I tune:


      The Shiftech wheel horsepower numbers at 624.1 are much stronger though so we may be able to chalk this up to dyno variance.

      Hopefully we will have some Dynojet numbers from tuners soon in the US for added context. Either way, the motor is picking up plenty of power and torque early on with ECU tunes.

      This article was originally published in forum thread: Shiftech 2021 C8 Audi RS6 EA825 4.0 TT V8 tune results - 702 PS started by Sticky View original post
      Comments 2 Comments
      1. al pettee's Avatar
        al pettee -
        MTM's "stage 1" conversion for 787PS includes mods with air filter, intake, turbo inlet and TCU reprogram, they also have a chip flash alone ("M-Cantronic") that makes 722HP, so the comparison to Shiftech's 702PS result might be apples-oranges. Does Shiftech say if their result is just a flash alone or are there other mods?
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by al pettee Click here to enlarge
        Does Shiftech say if their result is just a flash alone or are there other mods?
        From what I saw this was flash only?