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Vacuum Pipe Size?

Discussion in 'A3/S3 Forum (8L Chassis)' started by DJ_Troopa, Mar 25, 2010.

  1. DJ_Troopa
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    DJ_Troopa K1 Driver

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    Afternoooooooooooon!

    I'm looking for the correct size for the vacuum piping in the engine bay. Going to do the N249 bypass and also change couple hoses here and there. Anyone know the size i need please? What mm is it?

    Thanks!

    Jay
    #1
  2. DaveA3
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    DaveA3 Audi A-Trizzle!

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    im using 14mm atm if ur on about the vacuum from the inlet.
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  3. DJ_Troopa
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    DJ_Troopa K1 Driver

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    14mm? That's a bit big isn't it lol.

    It's either 3mm or 4mm but i don't know. It should be the same size as the small dv pipe.

    Anyone know?

    Cheers.
    #3
  4. Y83OLK
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    Y83OLK Hulk Smash!

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    I got a metre of 3/4 and 5mm when i did mine.
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