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  1. #1
    Boost-A-Holic's Avatar
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    ET 137x4 vs Mini Rude vs Riva XX vs R&D C15X

    I feel like this topic could start a war but im stickin it out there to see whose had experiences with any of these upgrades for an X-charger as i would like to upgrade mine at some point.

    They all cost around the same and advertise to put out between 14-15 lbs of boost but what are the real numbers? Which ones the best?

    id love to see what yall have to say


  2. #2
    SLASHER's Avatar
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    Installed the ET 137 4 mm and a XX in a RXPX and RXTX both current shape ...

    I have swaped them to see if made any diff ...

    Found them similar in power , but the XX seems smoother in power del when the ET harder of bottom ...

    Happy with both , XX you get a front housing ...

  3. #3
    GRF + DashPac:) seadoo02xp's Avatar
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    I believe the xx and mini rude are the same

  4. #4
    Moderator Snoman's Avatar
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    Quote Originally Posted by seadoo02xp View Post
    I believe the xx and mini rude are the same
    Bingo...We have a winner...

  5. #5
    Boost-A-Holic's Avatar
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    Quote Originally Posted by Snoman View Post
    Quote Originally Posted by seadoo02xp View Post
    I believe the xx and mini rude are the same
    Bingo...We have a winner...
    they say you learn somethin new everyday !

  6. +1 by:


  7. #6
    AtoMIC_OraNGE greenbullet's Avatar
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    thought your staying x ??? lol i told you .. get the money out the games have just started

  8. #7
    AtoMIC_OraNGE greenbullet's Avatar
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    all about the same i saw 13lb at 8100 with my et 137 3mm

  9. #8
    Antiguan FZR's Avatar
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    Love my XX, just ran 80 miles yesterday for a Poker Run, spent about 70% of time on the limiter (rough as hell). At the end held it WOT 8500 RPM @ 79 GPS.

    The s/c wine sounds sweet in my RXTX 260 !!

  10. #9
    JD
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    maybe someone tried R&D C15X, would be interesting to find out how it works, because i have one lying on the shelf waiting for better weather

  11. #10
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    Quote Originally Posted by j.dabrila View Post
    maybe someone tried R&D C15X, would be interesting to find out how it works, because i have one lying on the shelf waiting for better weather
    im curious too because they advertise somethin like 15lbs lol.


    and green bullet i love me a good game its on.... just need a few weeks to get some more fundage and everything squared away. I am a little skeptical about tuning my boat via the AFR gauge so im thinkin bout grabbing a wb2 set up so i can run auto-tune on my CMD that way everything is perfect.

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