{"products":[{"id":10932779745622,"title":"MST Performance Cold Air Intake System – Ford Focus ST MK2 2.5 2008-2012 | MST-FO-MK309","handle":"mst-performance-cold-air-intake-system-ford-focus-st-mk2-2-5-2008-2012-mst-fo-mk309","body_html":"\u003ch2\u003eSummary\u003c\/h2\u003e\u003cp\u003eThe five-cylinder Focus ST MK2 has one of the great warble soundtracks, and this MST Performance cold air intake turns it up at the intake end. Built around aluminium pipework and a heat-shielded washable dry filter, the kit headline-fits the 2008-2012 ST 2.5 — and the same part covers a wide spread of MK2 petrol and TDCi models, MK3 1.6 variants and even the 2015-2018 Focus RS 2.3, all in the application table below.\u003c\/p\u003e\u003ch2\u003eBest For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eST225 owners feeding the five-cylinder a freer breath and a louder warble\u003c\/li\u003e\n\u003cli\u003eEveryday MK2 and MK3 Focus drivers upgrading with the same engineered kit\u003c\/li\u003e\n\u003cli\u003eRS 2.3 builds starting the induction side before further stages\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-MK309\u003c\/li\u003e\n\u003cli\u003eVehicle Application: 14 Focus applications from ST MK2 2.5 to RS MK3 2.3 (full list below)\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, high-flow 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\u003eOne Kit Across The Focus Family\u003c\/h2\u003e\u003cp\u003eBecause these Focus generations share intake architecture, MST validates one system across petrol, diesel and the fast flagships alike — which makes it an easy fitment question: find your engine in the table, match the years, order. Running an MK2 TDCi? Pair the intake with the \u003ca href=\"\/products\/mst-performance-silicone-boost-hose-kit-ford-focus-mk2-1-6-tdci-2005-2012-more-mst-fo-mk302\"\u003eMST silicone boost hose kit\u003c\/a\u003e and upgrade both sides of the turbo plumbing at once.\u003c\/p\u003e\u003ch2\u003eFitment And Setup Checks\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFind your exact engine and years in the application table before ordering — coverage spans MK2, MK3, ST and RS variants with differing year ranges\u003c\/li\u003e\n\u003cli\u003eMK3 coverage is the 1.6 petrol family plus the RS 2.3; MK3 diesels are not included here\u003c\/li\u003e\n\u003cli\u003eFitting instructions are included; confirm the part number if your car sits at a year boundary\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-MK309\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVehicle Application\u003c\/td\u003e\n\u003ctd\u003eFord Focus ST MK2 2.5 2008-2012; Focus RS MK3 AWD 2.3 2015-2018; Focus MK2 1.4 2008-2012; MK2 1.6 2008-2012; MK2 1.6 TDCi 2008-2012; MK2 1.6 Ti 2008-2012; MK2 1.8 Flexi-Fuel 2008-2012; MK2 1.8 TDCi 2008-2012; MK2 2.0 Flex 2008-2010; MK2 2.0 LPG 2008-2011; MK2 2.0 TDCi 2008-2012; MK3 1.6 EcoBoost 2010-2019; MK3 1.6 Flex-Fuel 2010-2019; MK3 1.6 Ti 2010-2019\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 high-flow 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 it really fit both the ST and ordinary MK2 models?\u003c\/h3\u003e\u003cp\u003eYes — the application table is the authority: ST 2.5 (2008-2012), MK2 1.4-2.0 petrols, TDCi diesels, MK3 1.6 variants (2010-2019) and RS 2.3 (2015-2018). Match your engine and years exactly.\u003c\/p\u003e\u003ch3\u003eWill the five-cylinder sound different?\u003c\/h3\u003e\u003cp\u003eThat is half the appeal — expect a more pronounced induction voice layered over the ST's warble under load, while cruising manners stay civil.\u003c\/p\u003e\u003ch3\u003eWhat if my Focus is a diesel?\u003c\/h3\u003e\u003cp\u003eMK2 1.6, 1.8 and 2.0 TDCi models are supported. For MK2 diesels you can also add MST's silicone boost hoses for the turbo side.\u003c\/p\u003e","published_at":"2026-07-03T12:38:12+01:00","created_at":"2026-07-03T12:25:59+01:00","updated_at":"2026-10-11T03:44:26+01:00","vendor":"MST Performance","product_type":"Induction Kit","tags":["brand:mst-performance","cat:air-intake","dept:performance-parts","fits:ford-focus","make:ford","type:induction-kit"],"variants":[{"id":54417577312598,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"MST-FO-MK309","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"price":"324.66","grams":4000,"compare_at_price":null,"position":1,"product_id":10932779745622,"created_at":"2026-07-03T12:25:59+01:00","updated_at":"2026-10-11T03:44:26+01:00"}],"images":[{"id":82424553144662,"created_at":"2026-07-14T13:09:23+01:00","position":1,"updated_at":"2026-07-14T13:09:25+01:00","product_id":10932779745622,"variant_ids":[],"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/a0e86173-aa75-4762-aefe-b1bbfa036be6__53770.jpg?v=1784030965","width":1242,"height":858},{"id":82424553177430,"created_at":"2026-07-14T13:09:23+01:00","position":2,"updated_at":"2026-07-14T13:09:26+01:00","product_id":10932779745622,"variant_ids":[],"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/1a33bc51-a843-4235-8de0-39d7ecfd062f__53286.jpg?v=1784030966","width":1800,"height":1242}],"options":[{"name":"Title","position":1,"values":["Default Title"]}]}]}