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  1. #1
    Quality work without compromise! Pale Rider's Avatar
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    anybody installed RXP intake on a GTX?

    anybody try or installed a RXP intake manifold on the GTX SC`s.
    Wanting to know if there is a performance gain without the flame arrestor found in the GTX stock manifolds.


  2. #2
    Quality work without compromise! Pale Rider's Avatar
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    Wow, no comments on this

  3. #3
    Site Admin Green Hulk's Avatar
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    I have never heard of anyone doing it.

  4. #4
    Quality work without compromise! Pale Rider's Avatar
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    Does anyone think it will improve performance with the open plenum vs the stock GTX manifold with the flame arrestor in it?

  5. #5
    Site Admin Green Hulk's Avatar
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    You probably wouldn't notice a difference on a 8100 RPM ski.

  6. #6
    Quality work without compromise! Pale Rider's Avatar
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    Quote Originally Posted by Green Hulk
    You probably wouldn't notice a difference on a 8100 RPM ski.
    Thank You.

  7. #7
    EZ Dock of Long Island Shibby1485's Avatar
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    the mesh and porosity of the flame arrestor inside your GTX manifold is very equivalent to the porosity of the RXP/T intercooler. Even though photos of the stock intercooler show a tube and fin design, the inner sphere of it is a mesh cylinder. Wish I had it with me to take a picture.

    So given the Riva dyno charts (their legitimacy being debatable) .... i have to say that the flame arrestor is restrictive and turbulent to air flow. The dyno chart shows a boost pressure GAIN with the removal of the stock intercooler to the external intercooler. Intercooler in themselves typically create a slight pressure drop. So it would appear the Vortech intercooler creates less drop than the stock intercooler, thus a boost gain.

    putting logic together and given that the flame arrestor restricts and turbulates air the same way the stock intercooler does, i can't help but believe you would gain CFMs with the flame arrestor removed.

    Take this as you wish PR I could be off my rocker totally and talking out of my ass, but if i had to be honest and was in your exact position, i'd separate the manifold or do what i had to do in order to remove the flame arrestor from your manifold. buying a new manifold all-together is not the answer because then it's not worth the cost and i would not go to that extreme

  8. #8
    Quality work without compromise! Pale Rider's Avatar
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    I`m not certain on how that sucker is held in there, could be glued. The plastic end cap would be destroyed in removing that, and also not certain if the same lip is there for the clamp and block off in the event that you could get the flame arrestor out...will prolly look into it, if I see one off in the shop or something or later on in the off season...Thanks for your input.

  9. #9

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    You'll only notice response not top end.

  10. #10
    CRS's Avatar
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    PR, I removed mine by breaking out the plastic cap (its glued in place) and then sealed it up with a Riva style block of plate. Don`t know if I got any gains as a bunch of other mods were done at the same time but I think its safe to say it doesn`t make any power. I`ve heard Nils removes them by cutting them out somehow and leaving the plastic cap in place which would be a better way of doing it. The Rxp manifold would fit as the only difference is where the I.C. goes in.

    Chris.

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