Very interesting. Wonder if they're one off custom. Looks like a factory housing with an LED strip in them.
Link:
http://www.barrett-jackson.com/Archive/Event/Item/2001-FORD-MUSTANG-CUSTOM-184152
Yeah defiantly custom or else a lot of New edge owners and sn95 cars would have them and would be seen more. Those are badass! Definatly not the New raxiom garbage.