Well im a happy chappy, had my S3 Dyno'd yesterday, totally stock running on Tesco momentum 99. 280.5BHP 296.4Ftlb He said it was the most powerful stock S3 he's had on his rollers!!! Well chuffed. The power was consistent over 4 runs 277, 277, 280, 280!! Want to try and break the 300 barrier with no map, catback & CAI, reckon ill do it?