Air Filters and Intake Systems

We stock a wide range of high flow air filters and intake systems for your Focus Mk2 ST225

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AIRTEC Group A Cold Air Feed - Engine Plate & Ducting for Focus ST225

Airtec / Autospecialist

Fits:Focus MK2 ST225Group A Cold Air Feed which is designed to work with all Group A Open filters. Supplies a cold air feed directly into the Group A Filter Improving and maximising the airflow and performance.The cold air feed comes with cold feed guide which sits just below the filter securing the trunking.Each kit comes with a 780mm piece of ducting, 1 base plate with attached ram pipe and all required bolts and fixings.PLEASE NOTE: Silver finish is for illustrative purposes only.

£66.10£55.08 (ex. VAT)
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Direnza Ford Focus MK2 ST225 2.5 05-11 – Cold Air Induction Kit

Direnza

All Direnza Cold Air Induction Systems are supplied with a high quality, cone style air filter; designed to replace the OEM ST225 airbox, offering more surface area compared to the standard filter. Direnza air filters are manufactured from premium grade, washable cotton, ensuring long-lasting performance enhancements.Direnza Cold Air Induction Kits include lightweight alloy pipework mandrel-bent for accurate placement on Focus ST, and coated with a premium grade, black textured finish for a sleek appearance.Designed in-house by Direnza engineers, our Cold Air Induction Kits reduce blockages and significantly enhance air flow into the 2.5L engine compared with stock induction arrangements, boosting your car’s soundtrack and performance.Heat-resistant silicone hoses are supplied with every Direnza Cold Air Induction Kit. An often-overlooked item, our easy-fit silicones are layered for extra durability, their 5mm wall consisting of four polyester layers finished with jet black pigment.

£119.99£99.99 (ex. VAT)
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Direnza Ford Focus MK2 ST225 2.5 05-11 – Cold Air Induction Kit with ECU Heat Shield

Direnza

All Direnza Cold Air Induction Systems are supplied with a high quality, cone style air filter; designed to replace the OEM airbox, offering more surface area compared to the standard filter. Direnza air filters are manufactured from premium grade, washable cotton, ensuring long-lasting performance enhancements.Direnza Cold Air Induction Kits include lightweight alloy pipework mandrel-bent for accurate placement on your vehicle, and coated with a premium grade, black textured finish for a sleek appearance.Designed in-house by Direnza engineers, our Cold Air Induction Kits reduce blockages and significantly enhance air flow into the engine compared with stock induction arrangements, boosting your car’s soundtrack and performance.Heat-resistant silicone hoses are supplied with every Direnza Cold Air Induction Kit. An often-overlooked item, our easy-fit silicones are layered for extra durability, their 5mm wall consisting of four polyester layers finished with jet black pigment.

£239.99£199.99 (ex. VAT)
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AIRTEC Carbon Fibre Gen2 CAIS (Cold Air Induction System) for Focus ST Mk2

Airtec / Autospecialist

Fits:Focus MK2 STAuto Specialists Focus ST Carbon Fibre look Gen2 'Cold Air Induction System'. Gain 10 - 18 BHP depending on spec of your ST.12 Month's of Prototypes and testing has produced a real quality and unbeatable value for money product. Our Gen1 CAIS worked great and feel it was the best value CAIS money could buy and now we have gone that step further by making a bigger and better CAIS our new Gen2 version.Kit includes everything you will need to be able to fit, apart from tools:1x CAIS canister with carbon fibre look end section, CNC billet pipe flange fitting and Red cotton conical style filter Element3x Blue,Black, Orange or Red High Pressure Silicon hoses with the highest quality 100% stainless steel jubilee clips1x Black Powder coated CAIS canister mounting cradle with stainless fittings1x ECU relocation brackets, these brackets safely relocate your ECU behind the n/s/f head light1x Colour, Step by step fitting instructions. Fitting should take approx 3-4 hours depending on tools and mechanical skill. Slightly Deeper induction noise over standard. Gain power and enhance the look of your engine bay with a Auto Specialists Gen2 CAIS.

£319.67£266.39 (ex. VAT)
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AIRTEC Motorsport Inlet Plenum for Focus MK2 ST & RS

Airtec / Autospecialist

Fits:Focus MK2 ST & RSVolvo C30 T5We have taken more time than most perfecting our manifold to what you see here, we tested several designs which include a square to tapered manifold which unfortunately didn't work and then our Gen2 design finally got the go ahead after month's of testing. After completion we found there was more gains to be made and instead of selling a manifold for the sake of getting sales we held off the release while our development technicians matched the Inlet manifold ports to the lower manifold ports 'wow' we felt the difference Immediately.The Jig you see pictured is one of 2 Jigs that carry out this process, if you don't buy our manifold please check that the manifold you are going to buy has had this done! it will make the world of difference.Features.Increase in BHP & Torque, expect to see gains from 5 - 10 bhp peak & 20 to 40 lbft torque 'We saw up to 25bhp mid range gains on our tests.Heat treated for 36 hours & then pressure tested to 56 psi to ensure maximum strengthWon't crack or burst like ford oem plastic manfoldUnique & Stunning design, by far the best looking manifold availableCNC Inlet ports to match lower section of the Intake manifold 'Injector side' only 1 other cast manifold offers this critical design featureValue for money, the AutoSpecialists pledge'You can feel the difference when fitted!' this is what our customers are telling us time and time again.We are pleased to announce we supply a 12.5mm metal push fitting with every AS performance manifold.

£380.36£316.97 (ex. VAT)