Subaru Impreza WRX STI (2011)

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    Non-turbo models
    The engine is designed to operate using unleaded gasoline with an octane rating of 87 AKI (90 RON) or higher. ...

    Alternative engine oil
    If the SUBARU approved oil is unavailable, the following alternative oil can be used. NOTE Each quantity indicated here is only a guideline. The necessary quantity for replacement may differ sli ...

    Cleaning ventilator grille
    Always keep the front ventilator inlet grille free of snow, leaves, or other obstructions to ensure efficient heating and defrosting. Since the condenser is located in front of the radiator, thi ...