Those castings have a slot for crush cans that are not welded. If you have a low-speed bump it would crush your bumper and the crush cans behind it, it would no

Those castings have a slot for crush cans that are not welded. If you have a low-speed bump it would crush your bumper and the crush cans behind it, it would not effect the casting. Literally nobody plans to remove crush cans from the vehicle, even if the whole body is cast. See: https://electrek.co/wp-content/uploads/sites/3/2020/04/Tesla-mOdel-Y-underbody-2.jpg?quality=82&strip=all https://electrek.co/wp-content/uploads/sites/3/2020/04/Tesla...