I seem to recall that someone was asking about the availability of a radiator cover they saw on a car at a car show. Seems like most of the major parts suppliers are carrying them now.
http://www.championmustang.com/7173-mustang-grille-maskradiator-cover-abs-p-8751.html?zenid=02db579253dc32f9bd8bb015a93fb04f
http://www.championmustang.com/7173-mustang-grille-maskradiator-cover-abs-p-8751.html?zenid=02db579253dc32f9bd8bb015a93fb04f