Remove the wheel arch liner for access to the shock absorber upper mounting bolts. Support the trailing arm section of the beam axle using a trolley jack, then unscrew the shock absorber lower mounting nut and bolt, tap out the bolt, then lower the jack, slide the bottom end of the shock out of its mounting, then remove the two upper mounting bolts inside the wheel arch.
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Fiesta ST200, K&N Panel Filter otherwise standard for now.