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  1. #1
    daverxp4's Avatar
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    flow rites install on cowling questions?

    I did a search on flow rites on seat cowling and read all that i can before posting.

    what size hole saw do i need 2-3/8 or 2-7/8 as per geo or 2-1/2 as per jerry.

    on the seat cowling there is 2 sides of the cowling one inner (inside engine)
    and 1 outer (outside) do you drill from outside and thru the 2 nd layer inside??

    any help would be nice here are some pics of my cowling
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  2. #2
    Fast & Loud meeper's Avatar
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    depends on which size/ones you are using,

  3. #3
    Not sure if these are what you're referring to but I had some 2" ones and a 4" on my snowmobile. They also make 2.5" ones.
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  4. #4
    I'm kind of a big deal SeanCucf's Avatar
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    gee...i dunno, Jerry's advice...or Geo's....hmmmmm

    LOL.....jusk kidding (a little bit) Geo

  5. #5
    JFizzleJR's Avatar
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    It says which size to use in the Riva Rear Intake installation instructions..2 3/8" is the correct size hole saw to use. I drilled through both sides of the cowling. That's the point of the mod; to allow hot engine compartment air to release. I start on the inside so anything that might get chewed up is on the inside, not the outside (where it's visible).
    Last edited by JFizzleJR; 05-02-2008 at 07:07 PM.

  6. #6
    Moderator RX951's Avatar
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    Are you guys running more than 2 ? how many are you running fizz ?

  7. #7
    JFizzleJR's Avatar
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    I have 2 in my grab bar and 2 on each side of the engine cowling. The ones in the grab bar are so the rear air intake can breathe. The ones in the cowling are for ventilation. I was going to install 3 in a row on each side, but I installed a 3" speaker on each side instead

  8. #8
    Moderator RX951's Avatar
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    Quote Originally Posted by JFizzleJR View Post
    I have 2 in my grab bar and 2 on each side of the engine cowling. The ones in the grab bar are so the rear air intake can breathe. The ones in the cowling are for ventilation. I was going to install 3 in a row on each side, but I installed a 3" speaker on each side instead
    speaker !?? oooo, PM me a pic.....the wife has been buggng me for a year about a stereo to put on her ski.

  9. #9
    JFizzleJR's Avatar
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    LOL! I don't know if I have any pics, but I'll try to find some links for you to the parts. It wasn't very expensive..

  10. #10
    daverxp4's Avatar
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    sorry guys here is my install i read thru the search and used a 2-3/8 hole saw
    did like you said jfizzler thru both sides,but i started from the outside to the inside drilled thru both.you have to trim then make the oustide cowling thinner with a dremmel and they all cliped perfect and where the 3 clips are you must make sure it clears bothe sides,if not it wont go inn and clip.
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