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    • Race video showing the difference between a C63 AMG with just an ECU tune and a C63 with an ECU tune plus headers and exhaust

      This video comes from two BenzBoost members with modified W204 C63 AMG sedans, users Mthis and JonsC63AMG. The modifications on JonsC63AMG are an OE Tuning ECU tune, everything else is stock. The C63 taping the race belongs to Mthis and has an updating OE Tuning ECU tune along with long tube headers, BMC filters, 3 inch mid pipes, and some lightweight mods. Despite a lead and jump by the C63 belonging to Jon the C63 recording showed the horsepower disparity reeling him in and passing him. Exhaust modifications clearly make a nice difference on the C63 and compliment a tune well.



      This article was originally published in forum thread: Mthis C63 vs C63 updated OE tuned only started by JonsC63AMG View original post
      Comments 95 Comments
      1. fastgti69's Avatar
        fastgti69 -
        Click here to enlarge Originally Posted by JonsC63AMG Click here to enlarge
        Ok today was OE-tuner day. Met up with Jeremy. A stand up guy. Mthis had a dyno tune which put down 465whp SAE. I wanted to run him and see how much he would pull. We ran twice 40-140 he pulled a half car and that was the outcome. I was really surprised to say the least. The updated OE tune made a difference. Hagi has the gopro video which he said he would put up.

        How much did you lose before?
      1. JonsC63AMG's Avatar
        JonsC63AMG -
        Click here to enlarge Originally Posted by fastgti69 Click here to enlarge
        How much did you lose before?
        Half car.
      1. JonsC63AMG's Avatar
        JonsC63AMG -
        Oops! I never ran him before. First time.
      1. Even Money's Avatar
        Even Money -
        Doesn't he have long tube headers and he only pulls you by Half a car???
      1. JonsC63AMG's Avatar
        JonsC63AMG -
        Click here to enlarge Originally Posted by Even Money Click here to enlarge
        Doesn't he have long tube headers and he only pulls you by Half a car???
        Yes long tubes,racegas tune,carbon fiber hood and trunk.
      1. themyst's Avatar
        themyst -
        I wanna see this video for sure! Impressive showing.
      1. fastgti69's Avatar
        fastgti69 -
        Click here to enlarge Originally Posted by JonsC63AMG Click here to enlarge
        Yes long tubes,racegas tune,carbon fiber hood and trunk.
        Nice, and you just have a tune? That's a big difference for sure..
      1. Dodger63's Avatar
        Dodger63 -
        Jon your incorrect with what your saying
      1. fastgti69's Avatar
        fastgti69 -
        Click here to enlarge Originally Posted by Dodger63 Click here to enlarge
        Jon your incorrect with what your saying
        Can you clarify what he's saying? lol
      1. Dodger63's Avatar
        Dodger63 -
        Click here to enlarge Originally Posted by fastgti69 Click here to enlarge
        Can you clarify what he's saying? lol
        Yes I can it wasn't a freshly dyno tuned race fuel tune as per mthis and the video shows mthis walking by him, its short and the 1/2 length looks like it would've opened to buses go check out mbworld
      1. Dodger63's Avatar
        Dodger63 -


        I've watched a few times and looks to me like if the race/video continuous so would the beating you guys decide
      1. JonsC63AMG's Avatar
        JonsC63AMG -
        No doubt he walked me. The other run was closer. This run was from 35-140. Funny thing was way up top he didnt pull anymore. Ask Hagi.
      1. themyst's Avatar
        themyst -
        Adaptation it appears then?
      1. Mthis's Avatar
        Mthis -
        Not a race gas tune relax Jon
        And yesterday my cars weight with me in it was prob around 3950-4000lbs my lightweight mods are not even 100lbs

        Race gas tune I use on the track so it don't adapt to everyday driving so I put the regular Ecu in when I did does races.
      1. themyst's Avatar
        themyst -
        Click here to enlarge Originally Posted by Dodger63 Click here to enlarge
        http://www.youtube.com/watch?v=cfF4v...e_gdata_player

        I've watched a few times and looks to me like if the race/video continuous so would the beating you guys decide
        Why does it look like Jon is a half car ahead before the run even starts and he rolled even further before the run started? Not hating or looking to start an argument, just saying.
      1. BrenM3's Avatar
        BrenM3 -
        Because he is. Lol.
      1. Mthis's Avatar
        Mthis -
        Her is another video
        c63 vs cls tuned and z06 550hp


        Me vs z06
      1. themyst's Avatar
        themyst -
        Click here to enlarge Originally Posted by BrenM3 Click here to enlarge
        Because he is. Lol.
        Yeah, based on that video, as the cars go WOT, Jon is like 3/4 of a car ahead already.
      1. JonsC63AMG's Avatar
        JonsC63AMG -
        Click here to enlarge Originally Posted by Mthis Click here to enlarge
        Not a race gas tune relax Jon
        And yesterday my cars weight with me in it was prob around 3950-4000lbs my lightweight mods are not even 100lbs

        Race gas tune I use on the track so it don't adapt to everyday driving so I put the regular Ecu in when I did does races.
        I knew it couldnt be the racegas tune. But I'm sure you were trapping 123+.
      1. JonsC63AMG's Avatar
        JonsC63AMG -
        Click here to enlarge Originally Posted by Dodger63 Click here to enlarge
        http://www.youtube.com/watch?v=cfF4v...e_gdata_player

        I've watched a few times and looks to me like if the race/video continuous so would the beating you guys decide
        So your saying to 150-160 it would be buslengths? LOL. We stopped at 140ish.