Focus RS MK3

  • AIRTEC Intercooler Upgrade & Big Boost Pipe Package for Mk3 Focus RS

    £966.33

  • AIRTEC Intercooler Upgrade for Mk3 Focus RS

    £601.68

  • AIRTEC Motorsport Billet PCV Baffle Plate for NA or Turbo Engines

    £127.28£142.93

  • AIRTEC Motorsport Bonnet Lifter Kit Ford Focus Mk3 (incl. ST/RS)

    £85.03

  • AIRTEC Motorsport de-cat downpipe for Focus RS MK3

    £205.42

  • AIRTEC Motorsport Downpipe Bracket for Focus MK3 ST/RS

    £92.56

  • AIRTEC Motorsport Gearbox Torque Mount Upgrade for Focus MK2 & MK3

    £98.34£121.50

  • AIRTEC Motorsport Induction Pipe for Focus RS Mk3

    £85.03£160.40

  • AIRTEC Motorsport Oil Breather(s) For MK3 Focus RS

    £22.40£549.75

  • AIRTEC Motorsport Quick Shift for Mk3 Focus ST/RS

    £92.56

  • AIRTEC Motorsport Race Tow Strap Kit for Focus Mk2/3 ST and RS and Fiesta ST150

    £30.33£42.49

  • AIRTEC Motorsport Rear Diff Cooler for Mk3 Focus RS

    £85.03

  • AIRTEC Motorsport Rear Diffuser Extension for Mk3 Focus RS

    £57.37

  • AIRTEC Motorsport Replacement Air Filter – Large Group A Cotton Filter

    £48.56£95.41

  • AIRTEC Motorsport Replacement Foam Air Filters

    £48.56

  • AIRTEC Motorsport RS Oil Cooler Kit for Mk3 Focus RS

    £358.58£419.35

  • AIRTEC Motorsport Sound Suppressor for Mk3 Focus RS

    £26.68

  • AIRTEC Motorsport Stage 1 Induction Kit for Mk3 Focus RS

    £116.93£157.16

  • AIRTEC Motorsport Stage 2 Induction Kit for Mk3 Focus RS

    £358.57£398.63

  • AIRTEC Motorsport Stage 3+ Induction Kit for Focus RS MK3

    £545.74

  • AIRTEC Replacement Bushes for Mk2/Mk3 Focus Torque Mount

    £38.53£49.56

  • Focus Mk3 RS ECU

    £4,200.00

  • Mk3 Focus RS Big Boost Pipe Kit

    £401.13

  • Pro Hoses 16-Piece Ancillary Hose Kit for Focus RS Mk3

    £321.99£359.62

  • Pro Hoses Three-Piece Boost Hose Kit for Focus RS Mk3

    £179.55£193.44

  • Pro Hoses Two-Piece Coolant Hose Kit for Focus Mk3 RS

    £99.03£133.76

  • Pro Hoses Two-Piece Induction Hose Kit for Focus RS Mk3

    £61.88£73.45

  • Revo Stage 1

    £598.80

  • Stage 1 MSD360

    £330.00

  • Stage 2 MSD380

    £399.00

  • Stage 3 MSD400

    £499.00

  • Stage 4 MSD420

    £550.00

  • Turbosmart IWG-75 – Ford Focus RS MK3 2.3 EcoBoost 12PSI

    £131.88

  • Turbosmart Kompact Shortie Dual Port – VR08

    £185.88

  • Turbosmart Kompact Shortie Plumb Back – VR08

    £161.88

Unleash the Beast: Focus RS MK3 Performance Upgrades

At Devil Developments, we understand the passion for pushing the boundaries of what your Focus RS MK3 can achieve. Our carefully curated performance package is designed to significantly enhance your vehicle’s power while maintaining the refined OEM feel you love. With the combined expertise of Devil Developments and Motorsport Developments, we bring you a bespoke tuning solution that will revolutionise your driving experience.

Complete Forge Package – Just £4550

Devil Developments is now offering a complete forge package for the MK3 RS.

This includes a new head gasket, stronger head bolts for a superior clamping force, Mahli Motorsport forged pistons, new bearings and steel rods including oil and filter change.
As a full drive-in, drive-out package, the price is just £4550

The process takes 4 days start to finish.
To make a booking, please contact us on the enquiry page or call us on 01903 731194

Comprehensive Power Boost

Our flagship offering includes the Devil Developments big turbo kit, an uprated fuel pump solution, and a custom Motorsport Developments map. This trio of upgrades is engineered to unlock a staggering 490-510bhp and 656NM of torque from a healthy Mk3 Focus RS. Experience exhilarating performance with full boost achieved at a mere 3,000rpm, ensuring a surge of power when you need it most.

Supporting Modifications for Optimal Performance

To fully harness the potential of our tuning package, certain supporting modifications are essential. An uprated intercooler and exhaust system lay the groundwork for durability and efficiency. For those seeking the ultimate in power, a forged engine build is recommended, with the option of Stage 3 camshafts to squeeze out an additional 10-20bhp and up to 40NM of torque. Our 4bar map sensor solution is also included, providing crucial boost cut safety for your peace of mind.

Drive-In, Drive-Out Convenience

Devil Developments offers a seamless upgrade experience with our drive-in, drive-out service. Starting from £7,499, your Focus RS MK3 will be transformed with our performance package, including professional fitting, mapping, and dyno testing to prove the gains. Choose to have the work carried out at our workshop or at Motorsport Developments, based on your preference.

Enhanced Durability with Uprated Head Gasket Package

To complement our tuning package, we now provide an uprated head gasket package complete with warranty. This includes a superior gasket, stronger head bolts for enhanced clamping force, and all necessary machining and parts. An oil change and filter are also part of the deal, ensuring your engine runs smoothly post-upgrade.

Expertise You Can Trust

With more Focus RS MK3 builds under our belt than any other UK provider, including the UK’s most powerful, our expertise is unrivalled. The forging process is meticulously carried out over 3-4 days to ensure perfection. Ready to take the next step? Contact us at 01903 731194 to schedule your vehicle’s transformation.

Your Destination for Focus RS MK3 Tuning

Choose Devil Developments for an extensive range of 35 specialised products, each designed to elevate your Focus RS MK3’s performance. We’re not just a tuning company; we’re a destination for enthusiasts seeking the pinnacle of automotive excellence. Drive better; drive Devil.

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