Grimmspeed Dry-Element Cone Air Filter 3.0" Inlet - UniversalIntroduction This dry element intake filter is dimensionally identical to the oiled air filters that are included with the GrimmSpeed WRX STI BRZ FRS LGT Intakes. The filter uses a high flowing dry element which some people prefer over oiled and some regions require. Since dry flow media is slightly more restrictive than oiled media, we cannot guarantee that our intake systems will produce identical results. Features: Made in USA Integrated Velocity