I echo the previous posts of "just enjoy the car" The rears are available right now. Buy a pair even if you don't need them. You can always re-sell them if you don't use them.
ADO-580-445
I got mine from Summit, but they only have one left
https://www.summitracing.com/parts/ADO-580-445
My dealer was able to order them as well two weeks ago. Also, rockauto has then in stock right now as well.
https://www.rockauto.com/en/moreinfo...t=7556&jsn=914