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    • M2 Motor Technik/DTT developing B8 Audi S5 4.2 V8 single turbo kit - 550+ awhp, $15k, direct injection delete

      M2 Motor Technik is doing some very interesting work in the Audi 4.2 V8 realm. AudiBoost will delve into their RS4 4.2 FSI turbo kit in a subsequent article but M2 Motor Technik is tackling the B8 Audi S5 4.2 V8 with a turbocharger kit.


      So what do we know about it? They are deleting the direct injection system which allows a Halltech standalone for tuning. Halltech does not have any system capable of tuning direct injected Audi models.

      The turbocharger choice? A single Xona 105/68. The S5 is tuned to roughly 550 awhp on stock internals and the turbos can support more.

      Tuning is still taking place before an official release and no dynographs are posted just yet.

      Enjoy the photos.
















































      This article was originally published in forum thread: M2 Motor Technik developing B8 Audi S5 4.2 V8 single turbo kit - 550+ awhp, $15k, direct injection delete started by Sticky View original post
      Comments 2 Comments
      1. Sticky's Avatar
        Sticky -
        Some more shots.

        Also, there will be a stock ECU and direct injected kit for those that want it.

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      1. Sticky's Avatar
        Sticky -
        More details. The factory internal kit is on the direct injection system.

        The turbo kit for stock engine is tuned on stock Ecu and direct injection ,with some fueling mods
        550 whp

        The stage 3 full motor build turbo system is tuned on haltech ecu and direct injection is removed
        1650cc injectors ,custom fueling system is added and rs4 b7 intake manifold conversion is added
        Power output 800 plus awhp

        The turbo kit are 95% identical just different piping set up
        That should clear things up