ST XTA coilover kit for 2005–2007 Subaru WRX STI is a performance-focused system with linear race springs, adjustable dampers and aluminum uniball top mounts to refine driving dynamics. Kits include 16-click rebound adjustment, ride-height adjustability via composite perches, galvanized steel struts and a dust protection package. Each damper is dyno-tested by KW; the system supports camber tuning and track-capable setup flexibility.
ST XTA Coilover Kit 05-07 Subaru WRX STI