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  1. #1

    Exhaust Question??

    Can anything be done to the GP 1300 to make it sound louder without having to install a free flow as i dont have any engine mods or EFI.I have my cats removed


  2. #2
    African-American
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    88
    U can do a diy freeflow, with a stainless tube. You dont need to have any engine mods, itll help increase holeshot.

    Itll sound like one of those biggun exhausts on a 660raptor.

    You can also relocate the exhaust outlet. See this post: http://greenhulk.net/forums/showthread.php?t=43061

  3. #3
    i hope this is not a stupid question but what abou the water that will enter through this big hole.would it be detrimental to the ski??

  4. #4
    African-American
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    88
    All gpr's have wet exhausts, meaning they exit below the water line.

    the exhaust has a bend which is above the waterline and thats also why we have the waterbox. Not to mention the stinger is the highest part of the engine.
    Last edited by spaceman; 02-20-2008 at 08:37 AM.

  5. #5
    do u have a pic what it looks like from the inside of the ski.i would really like to have a roaring ski? the explanation takes about "use chinch to attach it to the hull ".whats a chinch?? wanna get this done soon

    does it decrease top end?

  6. #6
    African-American
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    he used rivets and 5200.

    Sorry dont have any pics of the inside.

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