K&N's 57S Filter element only, is supplied with a rubber bung which once removed increases waste gate turbo chatter noise! it can be easily replaced if you require a quieter driving experience.

Focus Mk2 RS - fits with standard Airbox or with standard Airbox fitted with mountune Airbox lid or J1 Airbox lid

Focus Mk3 ST250, Zetec S 1.6  & 1.6 Eco Boost, 1.0 Eco Boost


 K&N Performance FILTERS increase horsepower and acceleration by dramatically reducing air flow restriction caused by the original factory design. They come with K&N's Million-Mile Limited Warranty. 57S series air-filter replace the factory air filter housing with a fully enclosed injection modified air box containing a reusable K&N air filter. Installation is easy as they are specifically engineered to use factory holes and mounting points. No additional hardware, cutting or drilling is required

K&N's 57S Performance Filter Only E-9289

£89.95Price
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    Mobile 07500626032

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    Sat - 9am - 1.30pm

    COVERING THE CORNWALL
    AREA

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    OUR SERVICES
    • Performance Tuning

    • Economy Tuning

    • DPF Solution (software only)

    • EGR Solution (software only)

    • ODB Diagnostics

    VISIT US

    13 Tresithney Road

    Carharrack

    TR16 5QZ