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  1. #1

    Thru hull exhaust ..

    What's the diameter of the outlet? What about the piping?


  2. #2
    The outlet OD is just a little under 2 3/4", the tube itself is about 2 3/4 "...PR...

  3. #3
    Is that where the hose goes onto the outlet?

    I'm guessing 2 5/8 ?

  4. #4
    Quote Originally Posted by Flyer
    Is that where the hose goes onto the outlet?

    I'm guessing 2 5/8 ?
    yes, I used a hole saw that was 2 3/4 which actaually leaves the hole a little bigger, and the outlet was a smidge loose in the hole. I`m sorry I didn`t measure it before install. ...PR...

  5. #5

    Join Date
    Dec 2005
    Location
    Angleton, Tx
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    115
    are we haveing problems with the free flow exhaust? Are these bought or home made. fixing to install mine on my 03 limited. Am I going to have any problems?

  6. #6
    I finally got a chance to look at my own to see what's going on.

    Root to all my questions is I'm trying to make a thru hull myself. I think I can do it, but needed the info to try and see what's available. I think I can use 2 1/2 inch exhaust pipe and cut the rubber hose to use for couplers. I just need to get some mandrel bent tubing to see what works.

    Looking at THIS picture it looks like a 90* and 2 45* pipes will do the trick. That last bend may be a little shy of 45* though.

    The only real problem I'm having is finding a thru hull exhaust tip for 2 1/2" tubing. Something that's gonna look decent.

    Not knocking the kits, but I don't see the money for that. I do ... but, not for me. Hope I don't step on any toes doing this.

  7. #7
    I think there is stepped silicone couplers somewhere!? Also have you looked at Marine Performance places for the thru hulls they use in a boat???...PR...

  8. #8
    Fast-XPL's Avatar
    Join Date
    Jun 2005
    Location
    Colorado
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    Where did you find a 2 3/4" hole saw? I've been to several stores and the kits go from 2 1/2" to 3" with nothing in between. I thought I had most sizes out there and both my kits go from 2 1/2 to 3". I found a diamond hole saw that's 70mm on ebay and ordered it but it's coming from China. I'd like to find one local.

  9. #9
    Dude! at my local Ace Harware store

    Not the red hole saw, but the white one, I think it`s bi-metal...

    don`t you have to use coolant/solution with the diamond?

    Curious, won`t the diamond saw clog up with fiberglass?...PR...

  10. #10
    Fast-XPL's Avatar
    Join Date
    Jun 2005
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    ACE??

    That's the one place I didn't go and we have a brand spankin new one a mile away. I bought the diamond one because that's the ONLY one I could find on ebay. I'll head to ACE tomorrow. Thanks for the tip.

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