There was probably just some confusion by whoever setup the rules in their ordering software and I bet that it has to do with black top + stripes = not allowed
New to forum and will be new to owning a mustang soon (hopefully):
2016 GT Premium, Auto (too much stop & go traffic in commute), Magnetic Metallic, 401A, 3.55, Adaptive Cruise Control, Black Accent Package, Reverse Park Assist, Nav
Also wanted the over the top racing stripes, but dealer...