so its not glamorous or anything super cool but I thought some people might wanna know about this. I found a spare tire kit to clear the brembos with the same diameter as the rear PP tires.
got it with the jack and lug wrench. got it from these guys https://www.automotiveauthorityllc.com/collections/mustang-gt-spare-tire-1
got it with the jack and lug wrench. got it from these guys https://www.automotiveauthorityllc.com/collections/mustang-gt-spare-tire-1