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  1. #1
    BLACK MAGIC HEADERS hydrojunkie's Avatar
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    gibson blackmagic muffler 2 mph gain

    tested on a bone stock 07 rxt ran 68 @ 8180 rpm's. awesome video a little long but very informative. Test on the trailer, in the water with no extra water going threw the muffler.then with alot of extra water going through the muffler. enjoy




  2. #2
    Greenhulk Grasshopah (DRC) HallPass's Avatar
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    that is sick man!!!

    you now just need to make one for the gpr

  3. #3
    JFizzleJR's Avatar
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    i'm sure he will put some ceramic or magnesium muffler bearings in it for you HP!

  4. #4
    Fat Man, Little Boat Region8Ultra250X's Avatar
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    hopefully the shipping gods will like me and i wll be posting some numbers next weekend

  5. #5
    BLACK MAGIC HEADERS hydrojunkie's Avatar
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    Quote Originally Posted by Region8Ultra250X View Post
    hopefully the shipping gods will like me and i wll be posting some numbers next weekend
    I HOPE SO TOO. DAN YOU WILL NEED THE MUFFLER ON YOUR SKI AS WELL.

  6. #6
    Fat Man, Little Boat Region8Ultra250X's Avatar
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    Quote Originally Posted by hydrojunkie View Post
    I HOPE SO TOO. DAN YOU WILL NEED THE MUFFLER ON YOUR SKI AS WELL.
    muffler should be optional or did you make some changes after the fact?

  7. #7
    BLACK MAGIC HEADERS hydrojunkie's Avatar
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    Quote Originally Posted by Region8Ultra250X View Post
    muffler should be optional or did you make some changes after the fact?
    i really think your gonna need it but it's optional, not for sound but backpressure

  8. #8
    Greenhulk Grasshopah (DRC) HallPass's Avatar
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    Quote Originally Posted by JFizzleJR View Post
    i'm sure he will put some ceramic or magnesium muffler bearings in it for you HP!
    I thought the xenon ones were supposed to be the best even better than ceramic

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