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Thread: Cutting a carbon fibre muffler?

  1. #1
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    Question Cutting a carbon fibre muffler?

    My ZX10 has a 2Bro's c/f muffler on it that IMO is about 5" too long.
    Has another successfully cut/shorted a c/f muffler before and if so how do you go about it?


  2. #2
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    Get in touch with "Dilz", he works with the stuff for a living and will no doubt be able to do a nice clean job on it.
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    Quote Originally Posted by DMNTD View Post
    My ZX10 has a 2Bro's c/f muffler on it that IMO is about 5" too long.
    Has another successfully cut/shorted a c/f muffler before and if so how do you go about it?

    I got a hacksaw maori boy

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    Just sell the bloody thing and buy another ZX10 which has the right muffler on it! That's what you normally do isn't it?

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    Really, provided you have a straight bit of pipe to cut out, it is a no brainer.

    Any exhaust centre mechainic can do it for you in 5 minutes.

  6. #6
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    Quote Originally Posted by YellowDog View Post
    Really, provided you have a straight bit of pipe to cut out, it is a no brainer.

    Any exhaust centre mechanic can do it for you in 5 minutes.
    For a carbon fiber muffler? I had concerns re the fiber fraying etc.
    Surprising but ok...

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    For the sheath I would use one of those thin cutting discs (wear a mask, too, bro!), same for the baffle. Sometimes shortening the baffle isn't as straight forward as it sounds. I'd have to see it to give you any better advice
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  8. #8
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    Quote Originally Posted by Pussy View Post
    For the sheath I would use one of those thin cutting discs (wear a mask, too, bro!), same for the baffle. Sometimes shortening the baffle isn't as straight forward as it sounds. I'd have to see it to give you any better advice
    Agreed...if it was alloy I would've given it a crack already.
    Will post a pic as soon as able

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    Piece a piss to do, just treat it the same as you would an Ali one.maybe a little gentler.....

    I shortened my Carbon yoshi,just used a hacksaw and went slowish
    when cutting.

    I wrapped the pipe with brown packing tape where i wanted to cut
    marked around the circumferential and hacked away,very little fraying/cracking

    It would've helped if my Hack saw blade was sharp.
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    use the finest tooth blade you can find and go easy. might pay to set a jig up to get it square. better to do it yourself than risk a muppet fucking it if you don't know anyone skilled.

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  12. #12
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    When you read Google about cutting carbon fibre there are a lot of warnings. First the fibres are dangerous to your health. The articles suggest wearing a breathing mask so you don't inhale the fibres.

    Several people warn that the fibres can get into electrics and other places and cause a lot of damage.

    And a lot of articles warn about how you can damage the integrity of the structure if you don't do it right.

    I'd be tempted to take it into a specialist as the side effects sound a bit nasty.

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    Wrap with masking tape where you are going to cut it then get a 1mm thick pipeline cutting disc & 5'' grinder & mark out your cut mark line with pipe wrap tape & cut pretty easy really have done afew now , if you can get the outter off then put tape on the inside as well to help things .

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  14. #14
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    Nah its easy to do yourself. When you're cutting you're going so slow theres not a hell of alot of dust/fibres flying every where.
    Harley Davidson: The most efficient way to convert gasoline into noise without the side effects of horsepower.

    'Fast' Harleys are only fast compared to stock Harleys.

  15. #15
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    Drop saw with a metal cutting blade, not too quickly. Wear your average resiprator and wipe up to finish with a wet cloth. A carbon tube such as this isn't manfacturered in such a way that the strength could be compromised by shortening it.

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