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  1. #1

    Moded water box 1,8 yamaha ?

    Hi my friends !

    someone has already moded its water box ( stock ) ? What are the gains ?

    because 300 or 400$ for racing water box is so hot ...

    you have photos or tips ?

    have a good day !


  2. #2
    SLAP~YA's Avatar
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    May 2013
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    Pretty well cut one end open rip all the baffle plates out and weld it together again, The Riva box is smaller in size than a stock box but there is nothing inside it at all, i can't say i noticed any noticable performance increases with a riva box except it sounds cranky.

  3. #3
    This is precisely why I'm afraid , the noise

    i have a free flow and the sound is so cool , but whit the water box moded ...

  4. #4
    hdlefler's Avatar
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    I have a thru-hull and a gutted oem waterbox that I got from Gus and it has a raspy nice sound to it. I do not know if any gains came from it but it sure sounds great.

  5. #5
    no picture of inside waterbox SHO oem ?

  6. #6
    Chupacobra's Avatar
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    Jun 2012
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    It will be twice as loud if you gut it

  7. #7
    ohhh fu.... !

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