Subaru Impreza WRX STI Carbon Concept (2010)

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    Two separate circuits
    Your vehicle has two separate circuit brake systems. Each circuit works diagonally across the vehicle. If one circuit of the brake system should fail, the other half of the system still works. If one ...

    Fuel octane rating
    This octane rating is the average of the Research Octane and Motor Octane numbers and is commonly referred to as the Anti Knock Index (AKI). Using a gasoline with a lower octane rating can ca ...

    Fuel
    CAUTION Use of a fuel which is low in quality or use of an inappropriate fuel additive may cause engine damage. ...