Haha its funny you said that, because I tried to do that today and Ford claimed they can't look up VINS older then 07.
wow really? lol i thought they looked up mine when i replaced my timing cover. well i know the motorcraft website uses your VIN but i dont think it will have stereo stuff on there.
2000 Mustang GT Convertible - BBK CAI, Trick Flow 70mm Throttlebody/Plenum and Stack Racing Spacer, Accel Super COP's, Full Length SubFrame Connectors, Flowmaster SuperFlow 44's, 91 Octane Bama Tune, more to come...