this is all possible saying as u need a fuckin modchip to play the maps not only that, i kinda doubht ubi-soft or MS would allow signing of ported pc maps on xbox.If you have even tried to port maps you would notice that theres a ton of problems that come with the porting ie texture problems, size,lighting thats why thermals and frags dont work in everysingle pc map as well as ground surfaces showing up completely invisible,but god does believe u can do it,and if anybody were able to do it i would defenitly get live,but it really does seem impossible oh ya fuc u box, and fuc that piece of shit program xrated map manager