Mounted the brake master cylinder on the firewall.
I decided to use aeroquip hoses instead of the plastic ones that came with the kit. When I put in the master cylinder I used an aluminum T connection on the back into the cockpit rather than the plastic T that came with the kit.
It's going to cost more this way, but I don't want to have a leak in the cockpit from brittle brake lines spinging leaks in 5 years. I haven't installed the brake system yet, but when I do I'll snap some pics.