The pink throttle cable was a later style cable fitted to the later model RS's

53 plate ish ones onwards....!
this was one of little changes made to the later spec to iron out little niggles along with stiched seat bases and software upgrade in the ecu!!

more info mate get yourself on the RS owners club...it gets busier there!!

http://bbs.rsownersclub.co.uk/forumd...4f7e33fb&f=134

Hope this helps!!!