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MK3 Ford Focus ST250 Performance Parts

Upgrade your MK3 Ford Focus ST250 with performance and replacement parts from AIRTEC Motorsport, Cobra Sport, Forge Motorsport, Genuine Ford, Maxton Design, Powerflex, Whiteline and Wayside Performance.

Browse induction kits, intercoolers, exhaust systems, suspension upgrades, brakes, clutches, engine mounts, servicing parts and styling upgrades for both pre-facelift and facelift Focus ST250 models.

Not sure where to begin?

Read our MK3 Focus ST250 tuning guide for recommended Stage 1 and Stage 2 modifications, expected power figures and advice based on our custom dyno tuning experience.

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  • MK3 Focus ST ST250 Front Shock Absorber Genuine Ford - Wayside Performance MK3 Focus ST ST250 Front Shock Absorber Genuine Ford - Wayside Performance
    Genuine Ford

    MK3 Focus ST ST250 Front Shock Absorber Genuine Ford

    From £189.99
    From £189.99
  • MK3 Focus Upper Grill including ST and RS Genuine Ford - Wayside Performance MK3 Focus Upper Grill including ST and RS Genuine Ford - Wayside Performance
    Genuine Ford

    MK3 Focus Upper Grill including ST and RS Genuine Ford

    £289.99
    £289.99
  • Powerflex Front Anti Roll Bar To Chassis Bush 25.5mm for MK3 Focus ST. - Wayside Performance Powerflex Front Anti Roll Bar To Chassis Bush 25.5mm for MK3 Focus ST. - Wayside Performance
    Powerflex

    Powerflex Front Anti Roll Bar To Chassis Bush 25.5mm for MK3 Focus ST.

    £61.44
    £61.44
  • Cobra Sport Ford Focus ST Estate (Mk3) Front Pipe Sports Cat / De-Cat Performance Exhaust - Wayside Performance Cobra Sport Ford Focus ST Estate (Mk3) Front Pipe Sports Cat / De-Cat Performance Exhaust - Wayside Performance
    Cobra Sport

    Cobra Sport Ford Focus ST Estate (Mk3) Front Pipe Sports Cat / De-Cat Performance Exhaust

    From £379.87
    From £379.87
  • Cobra Sport Ford Focus ST Estate (Mk3) (Wagon) Venom Box Delete Race Cat Back Performance Exhaust - Wayside Performance Cobra Sport Ford Focus ST Estate (Mk3) (Wagon) Venom Box Delete Race Cat Back Performance Exhaust - Wayside Performance
    Cobra Sport

    Cobra Sport Ford Focus ST Estate (Mk3) (Wagon) Venom Box Delete Race Cat Back Performance Exhaust

    From £925.00
    From £925.00
  • Cobra Sport Ford Focus ST 250 (Mk3) Front Pipe Sports Cat / De-Cat Performance Exhaust - Wayside Performance Cobra Sport Ford Focus ST 250 (Mk3) Front Pipe Sports Cat / De-Cat Performance Exhaust - Wayside Performance
    Cobra Sport

    Cobra Sport Ford Focus ST 250 (Mk3) Front Pipe Sports Cat / De-Cat Performance Exhaust

    From £379.87
    From £379.87
  • Cobra Sport Ford Focus ST 250 (Mk3) Turbo Back Performance Exhaust - Wayside Performance Cobra Sport Ford Focus ST 250 (Mk3) Turbo Back Performance Exhaust - Wayside Performance
    Cobra Sport

    Cobra Sport Ford Focus ST 250 (Mk3) Turbo Back Performance Exhaust

    From £1,515.18
    From £1,515.18
  • Cobra Sport Ford Focus ST 250 (Mk3) Venom Box Delete Cat Back Performance Exhaust - Wayside Performance Cobra Sport Ford Focus ST 250 (Mk3) Venom Box Delete Cat Back Performance Exhaust - Wayside Performance
    Cobra Sport

    Cobra Sport Ford Focus ST 250 (Mk3) Venom Box Delete Cat Back Performance Exhaust

    From £868.56
    From £868.56
  • Focus MK3 ST & RS ECU Cover - Wayside Performance Focus MK3 ST & RS ECU Cover - Wayside Performance
    Genuine Ford

    Focus MK3 ST & RS ECU Cover

    From £39.99
    From £39.99
  • Forge Motorsport Recirculation Valve for Ford Focus RS MK3 & Vauxhall Adam, Astra, Corsa, and more - Wayside Performance Forge Motorsport Recirculation Valve for Ford Focus RS MK3 & Vauxhall Adam, Astra, Corsa, and more - Wayside Performance
    Forge Motorsport

    Forge Motorsport Recirculation Valve for Ford Focus RS MK3 & Vauxhall Adam, Astra, Corsa, and more

    £161.68
    £161.68
  • Forge Motorsport Turbo Actuator for Ford Focus ST250 (2012-2018) - Wayside Performance
    Forge Motorsport

    Forge Motorsport Turbo Actuator for Ford Focus ST250 (2012-2018)

    £198.76
    £198.76
  • Forge Motorsport Blow Off Valve for Ford Focus RS MK3 & Vauxhall Adam, Astra, Corsa, and more - Wayside Performance Forge Motorsport Blow Off Valve for Ford Focus RS MK3 & Vauxhall Adam, Astra, Corsa, and more - Wayside Performance
    Forge Motorsport

    Forge Motorsport Blow Off Valve for Ford Focus RS MK3 & Vauxhall Adam, Astra, Corsa, and more

    £164.90
    £164.90
  • Forge Motorsport Induction Kit for the Ford Focus ST250 - Wayside Performance Forge Motorsport Induction Kit for the Ford Focus ST250 - Wayside Performance
    Forge Motorsport

    Forge Motorsport Induction Kit for the Ford Focus ST250

    £449.00
    £449.00
  • MK3 Focus RS Genuine Ford 2pc Clutch -- Upgrade for MK3 Focus ST250 - Wayside Performance MK3 Focus RS Genuine Ford 2pc Clutch -- Upgrade for MK3 Focus ST250 - Wayside Performance
    Genuine Ford

    MK3 Focus RS Genuine Ford 2pc Clutch -- Upgrade for MK3 Focus ST250

    £299.99
    £299.99
    £399.99
  • Pro Hoses Four-piece Silicone Visual Hose Kit Upgrade for Focus Mk3 St 250 - Wayside Performance Pro Hoses Four-piece Silicone Visual Hose Kit Upgrade for Focus Mk3 St 250 - Wayside Performance
    AIRTEC Motorsport

    Pro Hoses Four-piece Silicone Visual Hose Kit Upgrade for Focus Mk3 St 250

    From £126.10
    From £126.10
  • Pro Hoses Boost Hose Kit Upgrade for Focus Mk3 St 250 - Wayside Performance Pro Hoses Boost Hose Kit Upgrade for Focus Mk3 St 250 - Wayside Performance
    AIRTEC Motorsport

    Pro Hoses Boost Hose Kit Upgrade for Focus Mk3 St 250

    From £247.05
    From £247.05
  • Rear Side Splitters Ford Focus Mk3 St Preface Model - Wayside Performance Rear Side Splitters Ford Focus Mk3 St Preface Model - Wayside Performance
    MAXTON® DESIGN

    Maxton Design Rear Side Splitters Ford Focus Mk3 St Preface Model

    £79.00
    £79.00
  • Side Skirts Diffusers Ford Focus Mk3 St - Wayside Performance Side Skirts Diffusers Ford Focus Mk3 St - Wayside Performance
    MAXTON® DESIGN

    Maxton Design Side Skirts Diffusers Ford Focus Mk3 St

    £184.00
    £184.00
  • Spoiler Cap Ford Focus 3 St Estate Pre-facelift - Wayside Performance Spoiler Cap Ford Focus 3 St Estate Pre-facelift - Wayside Performance
    MAXTON® DESIGN

    Maxton Design Spoiler Cap Ford Focus 3 St Estate Pre-facelift

    £129.00
    £129.00
  • Front Splitter Focus Mk3 St Preface Model - Wayside Performance Front Splitter Focus Mk3 St Preface Model - Wayside Performance
    MAXTON® DESIGN

    Maxton Design Front Splitter Focus Mk3 St Preface Model

    £174.00
    £174.00
  • Rear Side Splitters Ford Focus 3 St Estate - Wayside Performance Rear Side Splitters Ford Focus 3 St Estate - Wayside Performance
    MAXTON® DESIGN

    Maxton Design Rear Side Splitters Ford Focus 3 St Estate

    £79.00
    £79.00
  • Spoiler Ford Focus Mk3 (Rs Look) - Wayside Performance Spoiler Ford Focus Mk3 (Rs Look) - Wayside Performance
    MAXTON® DESIGN

    Maxton Design Spoiler Ford Focus Mk3 (Rs Look)

    £240.00
    £240.00
  • Front Racing Splitter Focus St Mk3 Preface Model Version 2 - Wayside Performance Front Racing Splitter Focus St Mk3 Preface Model Version 2 - Wayside Performance
    MAXTON® DESIGN

    Maxton Design Front Racing Splitter Focus ST Mk3 Preface Model Version 2

    £149.00
    £149.00
  • Fenders Extension Ford Focus St Mk3 (2012-2014) - Wayside Performance Fenders Extension Ford Focus St Mk3 (2012-2014) - Wayside Performance
    MAXTON® DESIGN

    Maxton Design Fenders Extension Ford Focus St Mk3 (2012-2014)

    £174.00
    £174.00

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Browse our focused MK3 Focus ST250 collections for detailed product recommendations, fitment advice and buying guides.