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What is the internal diameter of an S3 dump valve hose?

Discussion in 'A3/S3/Sportback (8P Chassis)' started by Reevesy, Jul 27, 2012.

  1. Reevesy

    Reevesy Member

    Nov 5, 2011
    Likes Received:
    Does anyone know the internal diameter of the hose that connects the dump valve to the intake? Im after the intake/turbo end diameter just in case they are different :sos:

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