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  1. #1

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    Riva thru hull fitment issue

    Bought a riva thru hull exhaust and opas block off for my 03 gtx sc. Went to installing it yesterday and ran in to a fit ment issue. I have the thru hull part hole drilled and mocked up tried to mount the pipe but it doesn't have the clearance to go on the water box. It's hitting the hull and keeping it from going on. I used the template to drill the hole and the opas is out if the way. I don't understand whats going on and could you a bit of help.


  2. #2
    Steve STSPERFORMANCE's Avatar
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    sounds like you had your drill angled down when you drilled. You might have to shorten the thru hull pipe and use a longer coupler but youll be fine.

  3. #3

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    Thanks that's probably what happened. I'll check It out when I get off work in a few hours.

  4. #4
    Bob 1tommygunner1927's Avatar
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    I have/had the same issue.......no big deal. I cut the pipe (from waterbox to the thru hull) in half, and had to shorten it at the waterbox end. If you use a hacksaw to cut the pipe, wrap a hose clamp around it to guide your cut.

  5. #5

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    It looked like it would fit if I cut down the end that attaches to the water box. Knowing That'll fix it I'll cut it down and finish it up. Thanks.

  6. #6

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    cut a few inches off the end that goes to the water box and was able to get it on no problem. love the sound.

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