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Discussion in 'A3/S3 Forum (8L Chassis)' started by Ivo, Feb 6, 2010.
Can you tell me what's the diameter of the S3 stock exhaust?
2.5" to the back box IIRC...
Sounds right, i had to add about half inch to put one on the TQS
Don't know but there's a 'kin narrow bit right as it goes around the rear suspension/transmission....