The 2010 Subaru Impreza WRX STI Special Edition is aimed at the active enthusiast who is accommodating to barter a few amenities to accretion an added admeasurement of administration achievement over the already amazing Subaru Impreza WRX STI. Suspension for the new adaptation of this high-performance apparatus is adopted from the Japanese calm bazaar Subaru Impreza WRX STI blueprint C model, which adds a 1-millimeter thicker rear balance bar, stiffer rear sub-frame bushings additional upgraded and retuned springs. The advanced springs are 16-percent stiffer, while the rear shocks accept been stiffened by 29-percent.