New ATC wheel finally arrived today. It's a magnesium and carbon frame with leather and weighs in a 1122g. It's dished so brings the wheel 20mm closer and it's a 350mm rather than 360mm diameter.
Try Subaru info as I'm fairly sure they are used in multiple engines and like all the parts on this car, they are just re-branded Toyota and given the Toyota part number.
Until evidence to the contrary, it sounds like a manufacturing defect. I've heard of lines abraiding on the suspension when they're not the right length, but not rupturing like this.
It was from a recent group buy via the facebook groups but i think it was the D2H kit from these guys:
https://www.gtaretrofits.com/shop/vehicle-specific/frs-brz-gt86/2013-frs-vland-specific-hid-kit/