Revo have released stage 2 for the new s3 and I assume this is the limit of what you can get on the new engine without a turbo upgrade.
http://www.revotechnik.com/product-details/software/audi/s3/181/stage-2/#.VODZcslFDqA
Alot of money for parts over stage 1 though for the gains in my opinion, although I have no doubt it will be very good.
http://www.revotechnik.com/product-details/software/audi/s3/181/stage-2/#.VODZcslFDqA
Alot of money for parts over stage 1 though for the gains in my opinion, although I have no doubt it will be very good.