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Mufflerectomy

Discussion in 'A4/A4 cabriolet/S4 forum(B6 chassis)' started by Stu-pid, Jun 26, 2013.

  1. Stu-pid
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    Stu-pid Member

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    Has anyone done this? Or does anybody know what size the exhaust is external diameter so I can buy some pipe and fabricate one.
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  2. dale86
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    dale86 Member

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    Well mine has no boxes in at all and it sounds lovely nice whistle from the turbo and picks up a bit quicker but I cant help with the pipe diamiter.
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  3. Mollygoogle
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    Mollygoogle Member

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    When I asked a couple of weeks ago I was told it was 2.25"
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  4. Stu-pid
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    Stu-pid Member

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    Is that internal or external?
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  5. Mollygoogle
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    Mollygoogle Member

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    I've just checked my thread and the post doesn't say
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