stock 6 disk changer?
 

is there any stock 6 disk cd changers that i can get from ford and put it in my 98 GT. preferably a factory in dash 6 but i doubt there is one... just want to keep the stock apperance in my dash not a fan of after market decks

Nope, your best bet is a changer you can mount in the trunk.

will it work with my stock deck

my 2001 had a factory in dash 6 cd player, i'm not sure if it would fit in yours but i would think it fits but ford does make them or made them

Yes, they did have those, they started in '01 when they changed the dash to accomodate that stereo, you would spend countless hours trying to fit it into a pre-'01.
Most of those decks can control the CD changer from whet I've seen, is it a Mach?