TT if you are Stg 1 only how come you felt it necessary to fit the twintercooler ie surely the S3 on its own is more than up to the job?
Did you read my previous posts, and those over on GolfGTIforum.co.uk ??
1/ I basically got
lots of heat soak build up before I went Stg1, which caused a drop off in performance.
2/ the OEM siting has serious compromises, which the Forge overcomes.
Read
this thread, in full.