Is this expensive? Let's call it $5000 + install.
https://www.ft86motorsports.com/hks-...-fr-s-brz.html
Doesn't seem that bad considering nice wheels and tires and coilovers are around that price already. And this is by Hks pretty top of the line JDM YO and I trust is not some DIY poor fitting eBay kit that you have to piece together.