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.

• Designed to replace the OE setup, providing up to 50% more filter surface area to help maximise capacity
• Engineered to help the 2.3 Ecoboost engine breathe easier and improve throttle response from your Focus ST
• Gains in power and torque are noticeable over a larger RPM range
• A straightforward way to give your ST a sporty, performance soundtrack
• Complete kit includes mandrel-bent alloy pipework, high quality cotton filter and high performance silicone hoses