The 1979 RSX Rally Concept Is The Coolest Mustang Never BuiltRaphael Orlove6/21/13 3:55pmFiled to: Secret CarsConcept CarsFord MustangJalopnik Fantasy GarageJFG19213EditPromoteShare to KinjaToggle Conversation toolsGo to permalinkWhat if I told you that Ford commissioned a two-seater Mustang rally car designed and built by a legendary Italian coachbuilder that history quickly forgot? You’d want that car, right? Here it is: the ‘79 Ghia RSX, the coolest Mustang that never was.I wrote about the Ghia RSX a few days ago and lamented how little documentation exists for the car. Then Ford’s Alan Hall emailed us with the original press release for the car, as well as the original press photographs. I promptly died of happiness.