Delivery, customs and taxes
Know the landed cost before you order
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For UK customers, prices include VAT, customs and delivery unless checkout states otherwise. Outside the UK, shipping is shown at checkout and local customs and taxes remain your responsibility.
Lead times and urgent orders
Check timing before you commit
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Some products are made to order, imported or custom built. If timing matters, contact us before ordering and we will confirm the expected delivery timeframe.
Fitment checked before you order
Send the vehicle, engine and current setup if you want us to confirm the exact application before checkout.
The MK4 Focus chassis is better than its engine note lets on. This MST Performance cold air intake for the 1.5T EcoBoost (2018 on) closes that gap: aluminium pipework, a heat-shielded washable nanofiber filter and a proper induction voice under load. It fits in the factory location as a direct swap, so one of Britain's favourite hatchbacks gains character without losing its everyday usability.
Best For
Focus MK4 1.5T drivers matching the engine's character to the chassis
Commuter cars that still get the B-road treatment at weekends
First-time modifiers starting with a complete boxed intake kit
Key Specs
Manufacturer: MST Performance
Product Type: Cold air intake system
SKU: MST-FO-MK401
Vehicle Application: Ford Focus MK4 1.5T EcoBoost, 2018 on
Material: Mandrel-bent 6061 or cast aluminium intake pipework
Air Filter: Nanofiber dry high-flow filter, washable and reusable
Included Items: Pipework, filter, heat shield, mounting hardware and fitting instructions
Fitment type: vehicle-specific, direct OEM replacement
EcoBoost Character, Unlocked
Three-cylinder-derived EcoBoost engines have an appealing gruffness the standard airbox files away; freeing the intake side lets you hear the engine working with a cleaner, heat-shielded draw. Running the ST version of the MK4? MST covers that separately — see the Focus MK4 ST intake.
Fitment And Setup Checks
Confirm your Focus is the MK4 with the 1.5T EcoBoost from 2018 on
ST and other MK4 engines use different MST kits — check the part number first
Fitting instructions are included; use a professional fitter if you are unsure
No — the ST has its own MST intake. This kit is engineered for the 1.5T EcoBoost models from 2018 on.
Will it drone on the motorway?
The character shows under acceleration; steady-speed cruising keeps close to the standard car's refinement.
What ongoing maintenance is there?
Wash the dry filter around every 20,000 km and replace it at around 60,000 km — that is the whole routine.
Delivery, customs and taxes
Know the landed cost before you order
For UK customers, prices include VAT, customs and delivery unless checkout states otherwise. For customers outside the UK, local customs and taxes remain your responsibility, and shipping is shown at checkout. If a shipping option is not available, email us and we will prepare a tailored quote.
Lead times and urgent orders
Check timing before you commit
Many of the products we sell are made to order, imported or custom built, so a lead time may apply. If you need a part urgently, contact us before ordering and we will confirm the expected delivery timeframe and process.
Fitment first
Check fit before you order
Model year, engine, drivetrain, hardware and existing modifications can all change what fits. Check the applications and supplier notes above, or send us your exact vehicle and setup before ordering.
Check vehicle fitment
Need help with this product?
Send us your vehicle, year, current setup and any fitting date, event, trip or deadline before ordering. We will help check fitment, product choice and timing.