Hello Stuart.
Ben has just rang me asked to save you a rolling road slot for Sat morning.
What 1.8T engine version do you have? AGU, ARZ, AUM or AUQ and what turbo are you running? If turbo is standard then a 4bar fuel reg will be over kill and a waste of timeas the turbo will limit the "Safe" power
A good set up FMIC is always a benefit the cooler that charge air the more power you get. Sports cat for engines year 2000> on or a De-cat if you have AGU.
Nick