If you are getting it chipped you will need a -31 preferably a genuine garrett or a collins and chipping it you are best going for an ahmed bayjoo, turbosystems (if you can get hold of one 2nd hand) or maybe a collins chip 2nd hand ecu's regularly come up on the ford forum's and ebay at a fraction of what they are new you will also benefit from a full 2.5 inch bore stainless exhaust and a k&n or pipercross panel filter and then get the car set up by a pro