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MK3 Ford Focus RS Performance Parts

Upgrade your MK3 Ford Focus RS with performance and replacement parts from AIRTEC Motorsport, Cobra Sport, Forge Motorsport, Genuine Ford, Maxton Design, Milltek, Scorpion and Wayside Performance.

Browse induction kits, intercoolers, exhaust systems, cooling upgrades, clutches, brakes, suspension, servicing parts and styling upgrades for the 2.3-litre EcoBoost Focus RS.

Not sure where to begin?

Read our MK3 Focus RS tuning guide for Stage 1 and Stage 2 hardware recommendations, expected power figures and advice based on our in-house dyno tuning experience.

Shop MK3 Focus RS Parts by Category

Browse our focused MK3 Focus RS collections for detailed product recommendations, fitment information and buying advice.

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  • Airtec Motorsport Rs Oil Cooler Kit for Mk3 Focus Rs - Wayside Performance Airtec Motorsport Rs Oil Cooler Kit for Mk3 Focus Rs - Wayside Performance
    AIRTEC Motorsport

    Airtec Motorsport Rs Oil Cooler Kit for Mk3 Focus Rs

    From £376.51
    From £376.51
  • Genuine Ford MK3 2.3 Ecoboost Ford Focus RS Airbox - Upgrade for MK3 Focus ST ST250 - Wayside Performance
    Genuine Ford

    Genuine Ford MK3 2.3 Ecoboost Ford Focus RS Airbox - Upgrade for MK3 Focus ST ST250

    £189.99
    £189.99
  • Focus MK3 RS Stage 2 Remap 420-435bhp - Wayside Performance Powergate Flash At Home tuning handset and Wayside Performance app
    Wayside Performance

    Focus RS MK3 — Stage 2 Remap (420–435bhp / 420–430ft/lb)

    From £599.00
    From £599.00
  • Focus RS MK 3 Stage 1 Remap 370-380bhp - Wayside Performance Powergate Flash At Home tuning handset and Wayside Performance app
    Wayside Performance

    Focus RS MK3 — Stage 1 Remap (370–380bhp / 395–415ft/lb)

    From £599.00
    From £599.00
  • Ford Focus RS Mk3 Milltek Cat Back Resonated - Wayside Performance Ford Focus RS Mk3 Milltek Cat Back Resonated - Wayside Performance
    Milltek

    Ford Focus RS Mk3 Milltek Cat Back Resonated

    From £1,400.00
    From £1,400.00
  • Ford Focus RS Mk3 Milltek Cat Back Non-Res - Wayside Performance Ford Focus RS Mk3 Milltek Cat Back Non-Res - Wayside Performance
    Milltek

    Ford Focus RS Mk3 Milltek Cat Back Non-Res

    From £1,300.00
    From £1,300.00
  • Ford Focus RS Mk3 H&R 20mm Lowering Springs - 28747-1 - Wayside Performance Ford Focus RS Mk3 H&R 20mm Lowering Springs - 28747-1 - Wayside Performance
    H&R

    Ford Focus RS Mk3 H&R 20mm Lowering Springs

    £329.99
    £329.99
    £342.04

Shop MK3 Focus RS Parts by Category

Browse our focused MK3 Focus RS collections for detailed product recommendations, fitment information and buying advice.