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    • Audi's 4.0 TFSI approaching 700 all wheel horsepower with a tune and exhaust? Yep. APR Stage 2 RS7/RS6 tune hits 680 wheel horsepower

      This is almost getting absurd. APR is dialing in their Stage 2 tune for the RS6/RS7 4.0 TFSI twin turbocharged and direct injected V8 and the results are jaw dropping. They are still working on this tune but preliminary figures with just the software and a cat delete show 680 horsepower at all four wheels on their Dynapack. Feel free to take a moment for that to sink in. That is just shy of 700 horsepower at all four wheels with just software and exhaust modifications.

      With additional bolt ons it looks like the 4.0 TFSI will be capable of surpassing 700 at the wheels before anyone even needs to modify the turbochargers. You thought the AMG M157 would be the king of German V8 turbo tuning due to its 5.5 liters of displacement? Think again.

      APR managed a 10.6 @ 129 in the 1/4 mile with their RS7 on a Stage I tune. That was accomplished with roughly ~600 wheel horsepower. It looks like the Stage 2 setup on race gas has a shot at breaking into the 9's. Wow.

      (before someone tries to be smart and point out why the horsepower and torque do not cross at 5252 it is due to the horsepower and torque being scaled to show max figures)


      This article was originally published in forum thread: Audi's 4.0 TFSI approaching 700 all wheel horsepower with a tune and exhaust? Yep. APR Stage 2 RS7/RS6 tune hits 680 wheel horsepower started by Sticky View original post
      Comments 28 Comments
      1. fastgti69's Avatar
        fastgti69 -
        APR has done it again. The f10 M5 should be on that level with racegas too. Dont forget their dyno reads higher than the regular dynojet. Still very very impressive for a 4.0L V8TT compared to others.
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by fastgti69 Click here to enlarge
        APR has done it again. The f10 M5 should be on that level with racegas too. Dont forget their dyno reads higher than the regular dynojet. Still very very impressive for a 4.0L V8TT compared to others.
        This level? I don't know about that.
      1. chrisisnapping's Avatar
        chrisisnapping -
        damn...that's pretty crazy.

        They're taking it to TX2k14 today to run some cars. If it's making that kind of power with tune and cat removal, how long until a company like AMS starts doing ALPHA packages?
      1. rs97's Avatar
        rs97 -
        Talk about a strong platform, kudos to Audi. They need a 3.0TT V6 in the next S4/RS4 which would down relatively insane numbers with very little modification just like its big brother.
      1. Sticky's Avatar
        Sticky -
        I'm sure APR will have these things at 1000 hp by next year.
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by rs97 Click here to enlarge
        Talk about a strong platform, kudos to Audi. They need a 3.0TT V6 in the next S4/RS4 which would down relatively insane numbers with very little modification just like its big brother.
        They are going to go to a turbo V6 I just don't think it will be similar to this architecture.
      1. Group.america's Avatar
        Group.america -
        Attachment 36807 700 whp
      1. fastgti69's Avatar
        fastgti69 -
        Click here to enlarge Originally Posted by Sticky Click here to enlarge
        This level? I don't know about that.
        Was this run stage 2 from APR done with racegas? If not then yea, the f10 M5 has no chance.
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by fastgti69 Click here to enlarge
        Was this run stage 2 from APR done with racegas? If not then yea, the f10 M5 has no chance.
        Even if it's with race gas which I think it is how is an M5 matching this? The M157 and the S63TU aren't close to this tune only with exhaust race gas or not. Yes, this dyno does read higher but still...
      1. onisyndicate's Avatar
        onisyndicate -
        I saw the new RS7 at the KC auto show! Talk about sexy! All that from a stage 2 tune and a Cat delete? hmmmm..... this might be the best Super Sedan for a very long time!
      1. chrisisnapping's Avatar
        chrisisnapping -
        Click here to enlarge Originally Posted by fastgti69 Click here to enlarge
        Was this run stage 2 from APR done with racegas? If not then yea, the f10 M5 has no chance.
        104oct
      1. fastgti69's Avatar
        fastgti69 -
        Click here to enlarge Originally Posted by chrisisnapping Click here to enlarge
        104oct
        The m5 should have a chance then. Terry was hiting 630whp on pump gas.
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by fastgti69 Click here to enlarge
        The m5 should have a chance then. Terry was hiting 630whp on pump gas.
        Yeah but how hard are the BMW turbos pushed already versus Audi's?

        I'm wondering how big these turbos are.

        Also doesn't Terry have downpipes?
      1. fastgti69's Avatar
        fastgti69 -
        Click here to enlarge Originally Posted by Sticky Click here to enlarge
        Yeah but how hard are the BMW turbos pushed already versus Audi's?

        I'm wondering how big these turbos are.

        Also doesn't Terry have downpipes?
        To be honest, I have no clue how hard turbos on each side are being pushed. I'm sure It's the same on both companies but yes, Terry does have dps as well.

        It would be good to see some 100 octane and higher psi numbers from M5, I don't see why it couldn't hit the same numbers.
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by fastgti69 Click here to enlarge
        To be honest, I have no clue how hard turbos on each side are being pushed. I'm sure It's the same on both companies but yes, Terry does have dps as well.

        It would be good to see some 100 octane and higher psi numbers from M5, I don't see why it couldn't hit the same numbers.
        We'll see I'm just not sure how much room is left. There is room left in the Audi too. Regardless, the 4.0 liter is doing some sick work.
      1. fastgti69's Avatar
        fastgti69 -
        Click here to enlarge Originally Posted by Sticky Click here to enlarge
        We'll see I'm just not sure how much room is left. There is room left in the Audi too. Regardless, the 4.0 liter is doing some sick work.
        Hell yea, that 4.0L is doing serious work. Audi has always had a background of turbos so this doesn't surprise me with the competition they bring.
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by fastgti69 Click here to enlarge
        Hell yea, that 4.0L is doing serious work. Audi has always had a background of turbos so this doesn't surprise me with the competition they bring.
        I just find it interesting how stout they made it. They were like, ok, let's just give it some big top mounted turbos and beat everyone else with bigger displacement to show biggest doesn't necessarily mean best.
      1. Stevenh's Avatar
        Stevenh -
        700 AWHP through a torque converter with a tune and downpipes?! WOW. Audi essentially delivered a 900hp motor in an incredibly slick package for a hair over $100k.
      1. Sticky's Avatar
        Sticky -
        I want to see them start putting the RS7 turbos on the S7/S6.

        Also, the Bentley motor is basically the same thing as this I think? 700 all wheel horsepower Bentley anyone?
      1. rawad1017's Avatar
        rawad1017 -
        Click here to enlarge Originally Posted by Sticky Click here to enlarge
        Also, the Bentley motor is basically the same thing as this I think? 700 all wheel horsepower Bentley anyone?
        lmao the day someone presents that you'll have bentleyboost up

        if someone can come up with something to match this on the f10 m5 it would beat this for sure. nothing is impossible and even though this showed displacement isn't necessary to do big things, it's still an advantage