Ive had the genuine ford ones before i fitted the zetec s kit and they were great cant fault them at all.
but ford dont make mud flaps for the zetec s so we have to buy custon fit sets, i bought mine off a guy on ebay in june 2011 i have since asked him to sell the sets again as people would buy them but he has not made a sucesfull come back with supplying like he used to,
so i have done some research and found the flaps that he was selling still on sale here: [url="http://www.ebay.co.uk/itm/UNIVERSAL-Ford-Focus-Fiesta-Mondeo-Galaxy-MUDFLAPS-Rubber-MUD-FLAPS-Blank-x4-/190676677458?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item2c65373352"]http://www.ebay.co.u...=item2c65373352[/url]
the only additional item required for the zetec s fitment is a small metal plate which i will do my best to picture and post on here tomorrow evening.
but here is some images of them fitted,
and here is the fitting guide on PDF specific for Zetec s fitment
they are a fantastic upgrade and i payed £50 for my set they are worth every penny even if i was ripped off at the time lol