{"product":{"id":10933121745238,"title":"MST Performance Cold Air Intake System – Ford Focus MK4 1.5T EcoBoost 2018+ | MST-FO-MK401","body_html":"\u003ch2\u003eSummary\u003c\/h2\u003e\u003cp\u003eThe 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.\u003c\/p\u003e\u003ch2\u003eBest For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFocus MK4 1.5T drivers matching the engine's character to the chassis\u003c\/li\u003e\n\u003cli\u003eCommuter cars that still get the B-road treatment at weekends\u003c\/li\u003e\n\u003cli\u003eFirst-time modifiers starting with a complete boxed intake kit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eKey Specs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: MST Performance\u003c\/li\u003e\n\u003cli\u003eProduct Type: Cold air intake system\u003c\/li\u003e\n\u003cli\u003eSKU: MST-FO-MK401\u003c\/li\u003e\n\u003cli\u003eVehicle Application: Ford Focus MK4 1.5T EcoBoost, 2018 on\u003c\/li\u003e\n\u003cli\u003eMaterial: Mandrel-bent 6061 or cast aluminium intake pipework\u003c\/li\u003e\n\u003cli\u003eAir Filter: Nanofiber dry high-flow filter, washable and reusable\u003c\/li\u003e\n\u003cli\u003eIncluded Items: Pipework, filter, heat shield, mounting hardware and fitting instructions\u003c\/li\u003e\n\u003cli\u003eFitment type: vehicle-specific, direct OEM replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eEcoBoost Character, Unlocked\u003c\/h2\u003e\u003cp\u003eThree-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 \u003ca href=\"\/products\/mst-performance-cold-air-intake-system-ford-focus-mk4-st-2014-mst-fo-mk4020\"\u003eFocus MK4 ST intake\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eFitment And Setup Checks\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eConfirm your Focus is the MK4 with the 1.5T EcoBoost from 2018 on\u003c\/li\u003e\n\u003cli\u003eST and other MK4 engines use different MST kits — check the part number first\u003c\/li\u003e\n\u003cli\u003eFitting instructions are included; use a professional fitter if you are unsure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMST Performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eCold air intake system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eMST-FO-MK401\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVehicle Application\u003c\/td\u003e\n\u003ctd\u003eFord Focus MK4 1.5T EcoBoost, 2018+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eAluminium intake pipework\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Filter\u003c\/td\u003e\n\u003ctd\u003eNanofiber dry filter, washable and reusable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Items\u003c\/td\u003e\n\u003ctd\u003ePipework, filter, heat shield, mounting hardware, instructions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eDoes this fit the Focus ST MK4?\u003c\/h3\u003e\u003cp\u003eNo — the ST has its own MST intake. This kit is engineered for the 1.5T EcoBoost models from 2018 on.\u003c\/p\u003e\u003ch3\u003eWill it drone on the motorway?\u003c\/h3\u003e\u003cp\u003eThe character shows under acceleration; steady-speed cruising keeps close to the standard car's refinement.\u003c\/p\u003e\u003ch3\u003eWhat ongoing maintenance is there?\u003c\/h3\u003e\u003cp\u003eWash the dry filter around every 20,000 km and replace it at around 60,000 km — that is the whole routine.\u003c\/p\u003e","vendor":"MST Performance","product_type":"Induction Kit","created_at":"2026-07-03T13:01:18+01:00","handle":"mst-performance-cold-air-intake-system-ford-focus-mk4-1-5t-ecoboost-2018-mst-fo-mk401","updated_at":"2026-08-21T10:11:43+01:00","published_at":"2026-07-03T13:01:18+01:00","template_suffix":null,"published_scope":"global","tags":"brand:mst-performance, cat:air-intake, dept:performance-parts, fits:ford-focus, make:ford, type:induction-kit","variants":[{"id":54418577031510,"product_id":10933121745238,"title":"Default Title","price":"333.96","sku":"MST-FO-MK401","position":1,"compare_at_price":"","fulfillment_service":"manual","inventory_management":null,"option1":"Default Title","option2":null,"option3":null,"created_at":"2026-07-03T13:01:19+01:00","updated_at":"2026-08-21T10:11:43+01:00","taxable":true,"barcode":null,"grams":4000,"image_id":null,"weight":4.0,"weight_unit":"kg","requires_shipping":true,"quantity_rule":{"min":1,"max":null,"increment":1},"price_currency":"GBP","compare_at_price_currency":"","quantity_price_breaks":[]}],"options":[{"id":14003698205014,"product_id":10933121745238,"name":"Title","position":1,"values":["Default Title"]}],"images":[],"image":null}}