ok, just found this...looks like we could do with a bit more boost, can i pur a z4 ecu in??? excuse the ignorance, but if i dont ask i wont learn
1C, 3B, V9, V5 , V9, 4B, ALL(?TBC) WRX WAGONS - 10.55PSI (0.7BAR) DROPPING TO 6.84PSI (0.5BAR) STARTS TO DROP @ 5000RPM – FUEL CUT 13.79PSI (0.95BAR) -
thanks all