Announcements SteamSpeed gets a preview of the Subaru 2015 STI Image March 28, 2014 smadasam Leave a comment SteamSpeed gets a preview of the 2015 Subaru STI. We were tickled. The rumors are true. This car is amazing. From the seats to the styling, there was no love withheld in its creation. We cannot wait to put our turbochargers on one of these!