Does the Impreza OBS have special suspension?
Yes, the Impreza OBS already uses the same struts as the Impreza 2.5 RS but with a different spring package for extra clearance. NASIOC Lingo RBP – Rally Blue Pearl SRP – Sedona Red Pearl BRP – Blue Ridge Pearl STM – SilverThorn Metallic OBS – OutBack Sport (Impreza wagon) MAS – Mass Airflow Sensor MAP – Manifold Air Pressure (sensor) ECU – Electionic Control Unit (computer) ITC – Ignition Timing Controller S-AFC – Super Air Fuel Controller ALK – Anti-Lift Kit (also Castor Kit) STI – Subaru Technical International 22B – Not an acronym, but a special model Impreza not released in the US. WRX – Not an acronym, but basically a turbo 2.5 RS not available in the US. GT2 – Gran Turismo 2 (driving game for Sony Playstation game console) 555 – A tabaco company that used to be a sponsor of Subaru World Rally Team WOT – Wide open throttle.