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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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  • Milltek Non Resonated (Louder) Cat Back Stainless Exhaust System - Focus ST250 Hatch - SSXFD092 - Wayside Performance Milltek Non Resonated (Louder) Cat Back Stainless Exhaust System - Focus ST250 Hatch - SSXFD092 - Wayside Performance
    Milltek

    Milltek Non Resonated (Louder) Cat Back Stainless Exhaust System - Focus ST250 Hatch - SSXFD092

    £849.00
    £849.00
    £969.11
  • Front Brake Caliper for MK3 Focus ST ST250 & Diesel - Genuine Ford
    Genuine Ford

    Front Brake Caliper for MK3 Focus ST ST250 & Diesel - Genuine Ford

    £379.00
    £379.00
  • In Tank Fuel Pump for MK3 Focus ST ST250 2.0 Ecoboost - Bosch In Tank Fuel Pump for MK3 Focus ST ST250 2.0 Ecoboost - Bosch
    Bosch

    In Tank Fuel Pump for MK3 Focus ST ST250 2.0 Ecoboost - Bosch

    £149.00
    £149.00
  • High Pressure Fuel Pump for MK3 Focus ST ST250 2.0 Ecoboost - Bosch High Pressure Fuel Pump for MK3 Focus ST ST250 2.0 Ecoboost - Bosch
    Bosch

    High Pressure Fuel Pump for MK3 Focus ST ST250 2.0 Ecoboost - Bosch

    £259.00
    £259.00
  • MK3 Focus ST ST250 Rear Shock Absorber Genuine Ford MK3 Focus ST ST250 Rear Shock Absorber Genuine Ford
    Genuine Ford

    MK3 Focus ST ST250 Rear Shock Absorber Genuine Ford

    £149.00
    £149.00
  • Maxton Design Street PRO Side Skirts Diffusers Ford Focus ST Mk3 Facelift Maxton Design Street PRO Side Skirts Diffusers Ford Focus ST Mk3 Facelift
    MAXTON® DESIGN

    Maxton Design Street PRO Side Skirts Diffusers Ford Focus ST Mk3 Facelift

    From £159.00
    From £159.00
  • Maxton Design Street PRO Rear Diffuser Ford Focus ST Mk3 Facelift Maxton Design Street PRO Rear Diffuser Ford Focus ST Mk3 Facelift
    MAXTON® DESIGN

    Maxton Design Street PRO Rear Diffuser Ford Focus ST Mk3 Facelift

    From £219.00
    From £219.00
  • PBS Prorace Rear Pads for Mk3 Focus ST ST250 PBS Prorace Rear Pads for Mk3 Focus ST ST250
    PBS BRAKES

    PBS Prorace Rear Pads for Mk3 Focus ST ST250

    £159.99
    £159.99
  • PBS Prorace Front Pads for Mk3 Focus ST ST250 PBS Prorace Front Pads for Mk3 Focus ST ST250
    PBS BRAKES

    PBS Prorace Front Pads for Mk3 Focus ST ST250

    £217.90
    £217.90
  • MK3 Focus ST Rear Main Crankshaft Seal Genuine Ford - Wayside Performance MK3 Focus ST Rear Main Crankshaft Seal Genuine Ford - Wayside Performance
    Genuine Ford

    MK3 Focus ST Rear Main Crankshaft Seal Genuine Ford

    £149.99
    £149.99
  • MK3 Ford Focus Coolant Expansion Tank Genuine Ford - Wayside Performance
    Genuine Ford

    MK3 Ford Focus Coolant Expansion Tank Genuine Ford

    £54.99
    £54.99
  • 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

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