Drilling the stock muffler
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Thread: Drilling the stock muffler

  1. #1

    Drilling the stock muffler

    Has anyone tried drilling a small hole(s) on their stock muffler around the outlet? I have a Honda CB1 and would like it to be a teeny bit louder.
    Unfortunately I can't just add a slip on because the whole exhaust system is a one piece stainless unit(header to muffler)
    Any opinions or suggestions?
    Thanks in advance.

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  3. #2
    Twin A Array Jaybo's Avatar
    Join Date
    Jul 2004
    Street:SV1000S Race:Ninja 250R, CBR600 F3, DRZ125
    It's the baffles on the inside that are the problem. Some people have had success with removing or ahem..adjusting the baffles.. i'm pretty sure this question has been asked before so a search may help.
    Some people are like Slinkies ...
    Not really good for anything, but they still bring a smile to your face when you push them down a flight of stairs.

    TwinBrosRacing <-click
    WMRC & PCMRC #19
    WMRC President

  4. #3
    ghost employee Array flipKawiguy's Avatar
    Join Date
    Jul 2006
    near your house
    it's big
    a buddy of mine has an sv650 and he drilled multiple small holes inside in the baffles with a very long drill bit...now he said it sounds a little louder and better!!..he didn't have to dismantle the muffler to do that....try it if you have a long bit....let us know if it works on yours

  5. #4
    es ist orange und bellt Array barking pumpkin's Avatar
    Join Date
    Aug 2005
    2004 KTM 540SM
    I've gutted and built my own baffle system's in the past.....save's $$$$ and sounds good.

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