Don't know if it means anything, but Fords website still lets you pick GB for a color on build your own. The dealer 'may' be trying to flip you to an in stock car... Dunno.
Good luck, GB is the best color on the Mustang :P
Bama tune, Exhaust modded, Custom rear air diffuser, FRPP 4.56s, welded axle tubes, BMR Drag Race Package (Level 2), BMR Adjustable Panhard Bar, Weld S71 15X9.2.5
Mickey Thompson ET Street Radial 315/60R15, JPC Line Lock... more to come
Under construction ...