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.