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  1. #1
    If i knew,...I wouldn't ask sea-one's Avatar
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    Placing an external IC where the resonator was plumbing question

    If anyone has done this on an 04 RXP or so , do you know what hoses will work? im hoping someone can take the cost of the guess work out lol....
    Thanks to anyone!


  2. #2
    JFizzleJR's Avatar
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    Quote Originally Posted by sea-one View Post
    If anyone has done this on an 04 RXP or so , do you know what hoses will work? im hoping someone can take the cost of the guess work out lol....
    Thanks to anyone!
    It all depends on the mounting location. A combination of straight and 45 degree pipes and couplers will usually do the trick.

  3. #3
    If i knew,...I wouldn't ask sea-one's Avatar
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    also where can i get the basic pieces without an arm or leg being ripped off

  4. #4
    skigolfnut's Avatar
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    This is going to be long winded but here goes,
    I have an 06 RXP I had bought a Seadoo 08 stock EX-IC and the mounting bracket and hoses from a member here that came off of an X boat,
    I wanted to keep my rear air so the stock location was out of the question, I removed the resonator, and to keep the ski in the stock or limited class for Region 5 here in Texas I had to leave the exhaust exit stock,
    I took a piece of stainless pipe and cut it the length of the resonator and was going to use that for the exhaust,
    I took the stock inter-cooler holder and took off the mounting plates and cut a single mounting plate out of aluminum,(see picture)
    I sort of put it all in to see where everything lined up and it looked good so I began putting it all back together,
    I used the stock 06 exhaust hose that goes up and over, and I had a extra X boat exhaust hose for it to up and over the stock inter-cooler location, I put everything in except the inter-cooler hose to the supercharger and to the throttle body, I had to route the water lines like the X ski water routing so the pressure would not build up and prego the inter-cooler, then I took the extra X boat exhaust hose and cut it to fit the inter-cooler, I used a Polaris pisser for the inter-cooler bleed line to bleed out the back of the ski, It all is a very tight fit as you can see from the pictures below, I will probably change out the exhaust hose that goes in between the inter-cooler hoses to a more direct route so no heat transfer from hose to hose,
    It works great plenty of speed and I can look down and see the water coming out of the bleed line so I know its working, I had also put a graco strainer after the water intake so nothing will plug the inter-cooler,
    You will need to install a AFR gauge to monitor your afr's and a RRFPR to be able to dial in your fuel,
    all can be done pretty cheap for a DIY or spent some coin on the riva set up, plenty of stickies and how to on the subjects,
    good luck and if you have any questions don't hesitate to drop me a line,
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  5. #5
    skigolfnut's Avatar
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    This place has the fittings if you go that route,
    http://www.siliconeintakes.com/

  6. #6
    Having Fun jp1300r's Avatar
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    Here is a pretty clear picture of what you need. I used 2.5" pipe and couplers. On the I/C side you need 3" to 2.5" couplers. Plus T-clamps.
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  7. #7
    If i knew,...I wouldn't ask sea-one's Avatar
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    Quote Originally Posted by jp1300r View Post
    Here is a pretty clear picture of what you need. I used 2.5" pipe and couplers. On the I/C side you need 3" to 2.5" couplers. Plus T-clamps.
    nice, real nice

  8. #8
    boostedpgt's Avatar
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    I just did mine. All couplers needed are 2.5"

  9. #9
    If i knew,...I wouldn't ask sea-one's Avatar
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    Great info,.. Skigolfnut and i have PM'd on some details, but I all i want to do is add the bigger IC not change the charger,charger wheel or fuel injectors..,just wanted a maximum cooler,dense airfow and i'd like to get the GH waterbox mod also but i have to locate a good aluminum welder...But the real question is the " bigger cooler"??? will it work for any performance gains for me to even bother with?? thanks again guys

  10. #10
    Electronics Guru Alpheus's Avatar
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    just wanted a maximum cooler,dense airflow
    With all that cooler dense air you need to add more fuel to that or you're gonna have problems. You need to monitor your AFR's if your messin with the mixtures...

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