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Discussion in 'A3/S3 Forum (8L Chassis)' started by Mpathe, Nov 12, 2010.
as above what psi should my s3 be running thanks mike
Depends as its adjustable.... a decent tuner (I happen to know one) would make sure that the configuration of your upgrades etc are able to make use of a stage 2 and the adjustments it can provide... more boost doesn't mean more power....
20 to 24psi