bluefin doesnt add 10bhp on the st200, it adds more like 3-5bhp tops. its never worked well on the mk1/mk2 v6's or zetecs, but does work well on other types of engine
most people have to travel for mapping, i've always had to. and yes it is well worth it (you will get a proper gain).
most people have to travel for mapping, i've always had to. and yes it is well worth it (you will get a proper gain).