HKS Super Air Filter | Mazda Miata MX-5 B6-ZE (90-97) (70017-AZ101)New stock replacement air filter made from a new innovative dry non woven fabric filter. On a high level, high dust collection capacity and low resistance are implemented combined. The density gradient structure, in which filter density increases with each layer, ensures that all sizes of dust and other particles are captured as effectively as possible. The ventilation resistance is reduced by optimizing the fiber components. Despite the lower intake