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  1. #1
    Hydrotherapy's Avatar
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    who's running what filter

    guys ive used the search to try to nail my answer but cant get the comparison in rpm i need

    i used to run the riva power cone filter early this year but wanted some more rpm to spin my 23 so went to stock box, open at end where filter bolts on..

    now my ski is all in bits and soon ready to rebuild i was wondering what was the better gain for rpm..

    stock box lid off..

    or stock box with large cut out back to try and stop water entry.see pic of my spare bodies which i just did

    or the race filter which claims 300% more air than stock,

    noticed in Wfo's site that nate and billy seem to be running the race filter

    are both race filters the same as riva and R&D both make them,

    which one does the fast guys prefer
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    Last edited by Hydrotherapy; 11-12-2007 at 12:27 PM.


  2. #2

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    How about no filter

  3. #3
    Hydrotherapy's Avatar
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    Quote Originally Posted by Ronn25 View Post
    How about no filter
    Ronn thanks if that was possible i would have ross do my spare bodies for me but i get a small ammount of water in my hull due to waves and jumping and the last thing i want to do is cook my new lowell set up with water injestion..

    water in hull that was the reason i cut mt spare box lid up to see if it would shield the entry a little

  4. #4
    RUNWME's Avatar
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    I am not a "fast guy" but I run stock air box open on front like you are with no screens. For rough water/wave jumping, how about large hose that can connected to front of airbox and pulls air from on top of fuel tank or under the glove box. . Like a dryer hose?

  5. #5
    THE PLATE MAN JIM'S PERFORMANCE's Avatar
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    Quote Originally Posted by RUNWME View Post
    I am not a "fast guy" but I run stock air box open on front like you are with no screens. For rough water/wave jumping, how about large hose that can connected to front of airbox and pulls air from on top of fuel tank or under the glove box. . Like a dryer hose?
    Hello Paul, David is correct if you do wave jumping use the stock air box and remove steel screens and remove front hose.

  6. #6
    Hydrotherapy's Avatar
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    Quote Originally Posted by JIM'S PERFORMANCE View Post
    Hello Paul, David is correct if you do wave jumping use the stock air box and remove steel screens and remove front hose.
    dave and jim thanks, the set up jim is refering to was what i was running untill now,just thought the cut box may of gave slightly more rpm with the bigger cut rather than just the stock hose hole
    Last edited by Hydrotherapy; 11-12-2007 at 06:28 PM.

  7. #7
    Chrisrokc's Avatar
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    Is that even possible to fit the stock airbox in there with the VF3 reeds and spacer?

  8. #8
    Hydrotherapy's Avatar
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    Quote Originally Posted by Chrisrokc View Post
    Is that even possible to fit the stock airbox in there with the VF3 reeds and spacer?
    sorry no idea chris, but i cant see why not as i have vf2's in mine with stock box

  9. #9
    james k's Avatar
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    I like my race flame arrestor from riva and will continue using when Lowell finishes my motor.......

  10. #10
    txgp1300r's Avatar
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    sonic booms have no filter..thats what I run.

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