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  1. #1
    SpeedStang95's Avatar
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    Thru hull Exhaust?

    I know that every one has said that it does not do much for performance....But how is the sound at idle or at WOT???
    I have heard Green Hulks sound clip on the trailer but can ya hear it when it is in the water????
    I kinda want to get one and who makes the best??
    Thanks in advance for the help....


  2. #2
    ramnj's Avatar
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    I have the Riva thru-hull one and sounds great. Not as loud as a GPR with a free-flow, but not as quite as the stock RXP sound.

    Hope that helps.

  3. #3
    SpeedStang95's Avatar
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    Quote Originally Posted by ramnj
    I have the Riva thru-hull one and sounds great. Not as loud as a GPR with a free-flow, but not as quite as the stock RXP sound.

    Hope that helps.
    I havent heard of gpr......I dont care How loud it is I really want it as loud as I can get it But I dont want it to sound like a bumble bee going accros the lake But the louder the better..... I am looking to get something this week.....

  4. #4
    It actually does sound nice. I'm not a fan of the ricer sound either, but something about 7-8k revs, just makes it better.

    At idle, you can hear it gurggling in the water. Just before plaining you can hear it resonating off the water coming from the back of the hull. It would get annoying if it stayed in that position for a while, but why would you?

    I would do it again if I had the chance to do it over.

  5. #5
    Senior Member watermedic's Avatar
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    I have the RR exhaust. Paid a little more for metal. You can hear it gurgle at idle, not much louder than stock. My friend thinks it sounds wicked on pass by's
    It's about like putting a good flowmaster on your tow vehicle. Nice low tone, not too loud.

  6. #6
    jasj's Avatar
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    I was out on the water the other day and my GF told me that my Ski was much louder than the others, But it sounded really Meaty.

    It is quite loud, quite a lot louder than stock, but its a great sound.

  7. #7

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    i heard its neccisary to get a opas removal kit to install it. is this true

  8. #8
    Senior Member watermedic's Avatar
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    Yes. You need to ditch the OPAS for the thru-hull.

  9. #9
    ramnj's Avatar
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    If you want to keep your OPAS you can then install the freeflow tube. Your ski will sound just like it would with the thru-hull.

  10. #10
    SpeedStang95's Avatar
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    Naaa I Need to get rid of the OPAS It left a nice mark on my head last summer when it caught a wave ......That will go also ....Where can I find Gpr Exhaust...???

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