aFe Magnum FLOW Universal Air Filter | 4in Flange x 9in Height (21-91134)

The aFe Magnum FLOW Universal Air Filter is a high-performance, oil-free conical air filter designed to enhance airflow and filtration efficiency. Constructed with three layers of progressively finer mesh synthetic media between a 100% polyurethane top and base, this filter offers excellent dust holding capacity and maximum convenience for maintenance. Its tall, open, evenly spaced pleats optimize airflow while providing a longer service cycle between cleanings. The pliable polyurethane flange with integrated bumps ensures a tight, leak-proof seal throughout its lifespan, and the filter boasts a 99.2% filtration efficiency, making it suitable for demanding performance applications.

This universal air filter features a 4-inch flange and stands 9 inches tall, making it compatible with a variety of vehicle setups requiring a high-flow, reusable filtration solution. Designed for performance enthusiasts and daily drivers alike, it is ideal for street use, offering easy installation and maintenance. The filter is suitable for use in custom or aftermarket intake systems where maximum airflow and filtration are desired. Its durable construction and washable design make it a reliable upgrade for vehicles seeking improved engine breathing and performance.