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  1. #1
    Kamaki's Avatar
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    Exhaust filter delete?

    I know that many of you say that it's common to use the exhaust filter
    But can anyone say what gain to get without the filter?

    edit: just for race setup
    Last edited by Kamaki; 02-28-2017 at 02:31 AM.


  2. #2
    "just sayin".. jetdave56's Avatar
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    After 6 yrs of the putting in a new filter going without it this season just the race plate filter with small water ports to cool the WB and exhaust and keep it drier for better acceleration .. Let ya know in 3 months...

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  4. #3
    Quote Originally Posted by Kamaki View Post
    I know that many of you say that it's common to use the exhaust filter
    But can anyone say what gain to get without the filter?
    Use the Exhaust Filter! You are not smarter than those who designed this Ski! Wishing you many many good hours on your waterways JB

  5. #4
    fx160's Avatar
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    Quote Originally Posted by john belton View Post
    Use the Exhaust Filter! You are not smarter than those who designed this Ski! Wishing you many many good hours on your waterways JB
    Bit of a defeatist attitude
    Most modify their skis away from factory specs

  6. #5

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    Quote Originally Posted by fx160 View Post
    Bit of a defeatist attitude
    Most modify their skis away from factory specs
    So you took your filter out and have good things to say about how everything went or you just have an opinion about someone else's opinion who knows what he's talking about?

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  8. #6
    ANTONYUK's Avatar
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    the OEM filter is not ready to race 8000 rpm
    in the conditions of race 5-10 hours breakdown
    Perhaps jb dear dude but he is wrong
    I can answer that said

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  10. #7
    Quote Originally Posted by ANTONYUK View Post
    the OEM filter is not ready to race 8000 rpm
    in the conditions of race 5-10 hours breakdown
    Perhaps jb dear dude but he is wrong
    I can answer that said
    It's been well documented / discussed in these Forums the benefits of keeping the Exhaust Filter in the Pipe. The biggest reason is the prevention of corrosion to parts like the Spark Plugs and Valves. If you have a way to not run the Exhaust Filter and maintain non corrosion, we would love to hear it! JB

  11. #8
    Myself's Avatar
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    Could you run a hot-rod style electric exhust cutout? Basically a 12v door to close the passageway when the ski i off.
    Has anybody tried that?

  12. #9
    "just sayin".. jetdave56's Avatar
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    Quote Originally Posted by john belton View Post
    It's been well documented / discussed in these Forums the benefits of keeping the Exhaust Filter in the Pipe. The biggest reason is the prevention of corrosion to parts like the Spark Plugs and Valves. If you have a way to not run the Exhaust Filter and maintain non corrosion, we would love to hear it! JB
    JB your right as it's been documented here and the issues discussed not having it in , But that's for recreational riding most of the time not being in a high rpm range ( 8000k+) for long periods of time like Anton says....
    Its meant for racing CC endurance or Grudge where you push the limits, you raced back in the day with success so your familiar with not worrying about tomorrow's spark plugs and valves and looking for that little extra�� ..

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  14. #10
    Kamaki's Avatar
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    Thanks for the answers. I know why there is a exhaust filter.
    For rec.ride and stock ultras of course the filter should be there

    But when we do serveral race upgrades and so on I can think the filter is restricted. Thats way I ask for the benefit to go without the filter.

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