HPI Racing has just announced sponsorship of the Prova Subaru Impreza STi that will compete in the 2005 Super Taikyu Endurance Series. Ex-R/C racer Kazuhiro Koizumi will be one of the drivers for the HPI team. Here are a few photos from preparation for the first race of the season on April 24, 2005. Stay tuned for photos, race results and a complete schedule.