just to answer one of the posts about a 370bhp upgrade to a focus rs i found this earlier...
http://www.focusrsparts.co.uk/focus-rs-mk2-385-conversion/prod_80.html video at bottom.... oh and also the price... lmao
just realised i bought my bluefin off these guys in st albans! guy who works there owns a rs...
Blimey, £3500 for a chip, TBE, cooler, injectors and a naf looking intake.