The Newest Subaru STI model released in 2014 as a 2015 model continues to house the powerful EJ257 with dual AVCS. Certain modifications have improved both power and fuel economy. This vehicle is valued for its heritage in WRC Rally competitions and its ability to still carry 5 passengers. Within this category you will find useful how-to's and mods pertaining to the 2015+ Subaru STI.