muffler tips in open header
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muffler tips in open header

  1. #1
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    Talking muffler tips in open header

    wondering if anyone is running muffler inserts in over transom exhaust i have bassett open headers just wondering what would fit thanks colin
    1980 hondo pantera jet boat running a 468 big block chevy

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    Senior Member Delemorte's Avatar
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    i got a set of these.


    Top right hand side

    http://www.rexmar.com/page237.html

    They work ok. i dont see any performance loss with them in and makes the law happy.
    Quote Originally Posted by jetboatperformance View Post
    the ensueing fire would likely be extinguished by the sinking however

  4. #3
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    u have to drill hole in end of the header then they bolt on am i correct thanks
    1980 hondo pantera jet boat running a 468 big block chevy

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    Senior Member 74glencoe's Avatar
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    Quote Originally Posted by hondo man View Post
    u have to drill hole in end of the header then they bolt on am i correct thanks
    Thats how mine work, 1/8" hole drilled in the header.
    Boating is nothing like cocaine, boating is much more addictive and results in bigger parties!

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    Talking

    right on i will get a set might calm the people down on my lake haaaaaaa
    1980 hondo pantera jet boat running a 468 big block chevy

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    Senior Member CK7684's Avatar
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    I got my Bassetts with the baffles in them already. They arent all that much louder than my TT logs...mine had a bolt in the end, but these baffles arent coming out without destroying the headers, lol, so now I just have a small hole

  9. #7
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    got a pair last year. ran them with a small amount of water.they discolored the ceramic caoting with in a couple minutes were the collector meets the header tubes.even drilled about 6 to1/2" holes in he middle.no water, ran it only a couple minutes, the discolor got worse.to me there a pile of dog dodo!

  10. #8
    Boat Nut sleekcrafter's Avatar
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    The shot gun mufflers, have been working well for the guys in Wisconsin, they have to pass, to be let on Shawano lake I'm told each and every one has passed.
    Upper Midwest Power Boat Association
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  11. #9
    One Free Call Does it All CP Performance's Avatar
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    These are good up to 425HP
    http://www.cpperformance.com/detail.aspx?ID=354

    Best suited for higher HP applications
    http://www.cpperformance.com/detail.aspx?ID=352

    Depending on the application an average of 8-10 db reduction is common.

    Good luck!
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  12. #10
    Senior Member Camoman's Avatar
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    Quote Originally Posted by Delemorte View Post
    i got a set of these.


    Top right hand side

    http://www.rexmar.com/page237.html

    They work ok. i dont see any performance loss with them in and makes the law happy.
    Those are the biggest power robbers ever I think i got at least one set around someone can have
    There's doing it easy,or there's doing it better

  13. #11
    Senior Member Camoman's Avatar
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    Quote Originally Posted by CP Performance View Post

    Best suited for higher HP applications
    http://www.cpperformance.com/detail.aspx?ID=352

    Depending on the application an average of 8-10 db reduction is common.

    Good luck!
    These are the ones to use for sure
    There's doing it easy,or there's doing it better

  14. #12
    Senior Member Delemorte's Avatar
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    Quote Originally Posted by Camoman View Post
    Those are the biggest power robbers ever I think i got at least one set around someone can have

    maybe but going as slow as i go you dont see a difference
    Quote Originally Posted by jetboatperformance View Post
    the ensueing fire would likely be extinguished by the sinking however

  15. #13
    Senior Member Camoman's Avatar
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    Quote Originally Posted by Delemorte View Post
    maybe but going as slow as i go you dont see a difference
    Yes i seen a 350rpm drop from 5850 to 5500 on the water. Got the other and back th 5850
    There's doing it easy,or there's doing it better

  16. #14
    Senior Member Delemorte's Avatar
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    Quote Originally Posted by Camoman View Post
    Yes i seen a 350rpm drop from 5850 to 5500 on the water. Got the other and back th 5850

    I was just kiddin.. i would kill for 5800.. im cruisin at 5K.
    Quote Originally Posted by jetboatperformance View Post
    the ensueing fire would likely be extinguished by the sinking however

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