Pretty excited to see Subaru finally bring a special STi to the US. To sum it up Carbon Fiber, revised suspension and brakes, and a retuned EJ Motor. Production is limited to 500 units.
http://www.roadandtrack.com/new-cars/future-cars/a9990795/the-2018-subaru-wrx-sti-type-ra-is-a-hardcore-track-ready-weapon/