2015 15" MacBook Pro [4th,4C,H] + RX 580 @ 16Gbps-TB2>TB3 (AKiTiO Node) + macOS 10.14.2 [pjbiii]  

System specs: 2015 15" Macbook Pro 2.2Ghz i7 16GB, Intel Iris Pro, MacOS 10.14.2

eGPU hardware: Akito Node, XFX Radeon RX 580 GTS Black Edition 1405 MHz OC+, 8GB 256-bit GDDR5, TB3 -> Tb2 Apple Adapter

Installation steps: Dead simple.
1. Disabled SIP, ran Purge-Wrangler.
2. Installed card into Akito Node
3. Connected adapter to Akito, then to Macbook
4. External GPU Not Found / Rebooted / Found
5. Win!

I have not run any benchmarks yet and I am not running Bootcamp. This was purely to improve my FCPX performance.