Mazda 3/6, CX-5 and other Skyactiv series sedan/SUV original factory replacement high-flow air filters. With a four-layer viscous cotton fabric medium, it achieves a balance between precise filtration and high intake efficiency. It supports repeated cleaning and regeneration, and does not require modification to enhance the power response of the four-cylinder engine and reduce long-term maintenance costs. It is compliant and does not affect vehicle warranty.