Subaru Impreza WRX STI (2011)

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    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 sl ...

    Spark plugs
    It may be difficult to replace the spark plugs. It is recommended that you have the spark plugs replaced by your SUBARU dealer. The spark plugs should be replaced according to the maintenance ...

    Synthetic oil
    You should use synthetic engine oil that meets the same requirements given for conventional engine oil. When using synthetic oil, you must use oil of the same classification, viscosity and gra ...