notthe best pics, got 45 mpg combined and 52 after. it pulled like a train through all gears pissed over a standard rs turbo, this is the one i had iirc
http://cgi.ebay.co.uk/Ford-Focus-1-6...item3ca946954a

basically you are just putting a inline switch to up the fuel pressure, you have an adjustment screw which means you can play with it until it suits you best