So far so good, easy assembly. Lots of dust and a little creaking (both to be expected given the mix). The initial installation process was easy and took a few hundred miles. I bought these for an upcoming trackday to keep my original pads. I will update with the results next month. 2013 Scion FR-S * Post Track Day Update: They were done at the end of the weekend. By race weekend they had clocked up about 700 miles on the road and performed well on day one, even in high outside temperatures. Iβ¦