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  1. #1

    X charger upgrade

    I have a 2006 RXP 215 and am wondering what the actual gains would be going from bone stock to an x charger with 42# injectors. I've looked all over for an answer to this question and still can't seem to find it. Thanks for the help.


  2. #2
    warsawspeedfreak's Avatar
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    Depends on where you live air/water temps but see my sig...there's your answer

  3. #3
    warsawspeedfreak's Avatar
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    mine stated out about 67-68 on a gps stock...FYI...

  4. #4
    Vikesfan's Avatar
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    I was about 68 stock and when I upgraded to the X-charger I saw about 72 to 73. I also had the Riva grate and 15/20 Solas installed at the time. When I added the 4" fizzle intake I upgraded to the 42's and got the speeds listed below in my signature. If you are planning on being bone stock other than the X-charger you probably won't need the 42's.

  5. #5
    h2jim's Avatar
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    You should see 74-75 with an X charger and 42's but you will also need a grate and a prop. Wouldn't hurt to give it some air too.

  6. #6
    monaroman76's Avatar
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    Welcome to the forum.

    They will be the best bang for your dollar upgrades for sure. I don't think you would be disappointed.

    You probably add 20+ horsepower from the extra boost.

  7. #7
    Awesome, thanks for all the replies! That's just what I was looking for.

  8. #8

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    i hate to hijack this thread, but i didn't want to start another one since this is pretty close to my question, what can i expect 0n a 2004 rxp x-charger, 42's, 4" kanaflex,14/19r. stock grate,sea-level under 200 lb rider, 8100 max rpm? thanks

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    monaroman76's Avatar
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    Quote Originally Posted by jersey785 View Post
    i hate to hijack this thread, but i didn't want to start another one since this is pretty close to my question, what can i expect 0n a 2004 rxp x-charger, 42's, 4" kanaflex,14/19r. stock grate,sea-level under 200 lb rider, 8100 max rpm? thanks
    Yeh you should turn 8100 rpm and probably 73 or so mph.

  10. #10
    I would consider getting the 15/20R. The X-charger is a great upgrade from stock!

    Quote Originally Posted by jersey785 View Post
    i hate to hijack this thread, but i didn't want to start another one since this is pretty close to my question, what can i expect 0n a 2004 rxp x-charger, 42's, 4" kanaflex,14/19r. stock grate,sea-level under 200 lb rider, 8100 max rpm? thanks

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