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  1. #1

    2002 GTX 4tec resonator delete

    Hello, I have looked for a while for a writeup or pictures of a straight through exhaust setup on my older 155 engine but all I have seen is information and parts for newer machines. Please point me in the right direction. Im not looking for through hull, just a more aggressive sound. thanks


  2. #2
    Drewski1126's Avatar
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    If it’s the same resonator that’s in an 05 gtx wake, then all you need is about 12” of 2.5 OD aluminum pipe swedged on the ends. And cut up the old rubber piping to connect it all together.

    Here’s what i did with my 09 rxpx for the time being. Till I get the thru hull fitting.
    Click image for larger version. 

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  3. #3
    This is what I believe to be the resonator on my machine

    http://funkyimg.com/i/2LMk3.jpg

  4. #4
    Drewski1126's Avatar
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    For some reason your pic isn’t showing up. But if you look at the parts diagram for your ski. You should be able to use the Same principal for connecting the exhaust piping with the addition of the 12” piece of aluminum.

    Assuming you have the proper tools.

  5. #5

  6. #6
    Drewski1126's Avatar
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    Yeah if you just use the hoses that are going to and from that resonator to splice and piece it together, just use a piece of that aluminum to piece it together.

    Here is something like what you need.
    https://rover.ebay.com/rover/0/0/0?m...2F301725208888

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  8. #7
    Okay thank you

  9. #8
    You need a 2 3/4 inch u pipe. I got one on eBay. The 02s exhaust goes to the resonator on the right then goes back and exits the hull on the left.

  10. #9
    Quote Originally Posted by Drewski1126 View Post
    Yeah if you just use the hoses that are going to and from that resonator to splice and piece it together, just use a piece of that aluminum to piece it together.

    Here is something like what you need.
    https://rover.ebay.com/rover/0/0/0?m...2F301725208888
    The straight piece won’t work on an 02.

  11. #10

    2002 GTX 4tec resonator delete

    https://rover.ebay.com/rover/0/0/0?m...2F230893941388
    Like this.

    Be aware at slower speeds sound will resonate in the pump cavity and be loud to the operator.
    Above 40ish mph it is fine. I removed mine as I found it to annoying.

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