I've just read in Japanese performance that Spax now do an adjustable kit for the Impreza.
It is adjustable for ride height (threaded body) and there are 10 "on the car adjustable" damping rates ranging from "standard road" to "serious track use".
Cost is £999.99 (just say £1000 for ***** sake!) and they come epoxy powder coated and dyno tested .
Call 0906 302 7729 or