If it is the clutch that has gone you may wnat to consider a twin plate clutch.
HKS do a twin plate at approx 1500-1800gbp (plus fitting) or it may be worth getting in touch with HELIX in the UK they are currently developing a twin plate clutch whicj should be significantly cheaper.
Even if you replace with a standard clutch you are looking at a bill of just over 900gbp of all the bits and labour (Ralliart changed my first clutch ater 2200 miles). An as 'Homie' says, there is not warranty on the clutch, even if yourt car is official Mitsubishi (I am still very peeved with Mitsubishi over this)
Regards
Markja
ps. Have you been doing any standing starts ???
Every Evo that Ralliart have 'loaned' to the car press has had to have its clutch replaced. (They are fitting the heavy duty Helix clutch)
The Clutch cannot take the strain of a standing start, it will fail. Mine lasted for Approx 10 to 15 starts, although I have never reved up to 6k before dumping the clutch)