Filtrex Performance replacement air filter product guaranteed to increase horsepower and acceleration. Professionally engineered with a premium filtration material set within a high specification chassis, Filtrex will deliver increased performance and longevity over OEM and other aftermarket filters.Guaranteed to increase horsepower & acceleration through enhanced airflow through the system.Fully washable and reuseable using Filtrex Air Filter Care Service Kit. improving longevity over standard OE filters.Produced from highly durable EPDM which is able to sustain extreme temperatures without losing shape.Filtrex air filters consist of four sheets of cotton gauze layered between two sheets of strong galvanized steel mesh coated with epoxy. This rigid construction guarantees against deformation under heat and powerful engine forces. Deep pleating of the filter material increases air filtration area and enhances speed of airflow, creating an overall high performing filter product.