aFe Momentum Replacement Air Filter | 4.5x6x4.5x6in, Pro DRY S (21-91144)

The aFe Momentum Replacement Air Filter with Pro DRY S Media is a high-performance, oil-free air filter designed for optimal airflow and filtration efficiency. Constructed with three layers of synthetic media, it requires no oil during maintenance, offering maximum convenience and ease of use. Its progressive layering enhances dust holding capacity and filtration, making it suitable for street and light off-road applications. The filter features a rounded, evenly spaced pleat design that increases usable surface area, promoting increased airflow and dust retention. Made with a durable polyurethane base and top, it maintains its shape through repeated heat cycles in the engine bay. The external locking tabs allow for quick, hardware-free installation into most Momentum series housings, facilitating easy maintenance and replacement.

Designed for vehicles equipped with aFe Momentum series intake systems, this filter fits most applications with dimensions of approximately 4-1/2 inches by 6 inches by 4-1/2 inches by 6 inches. It is ideal for daily driving, street performance, and light off-road use, providing a reliable upgrade over standard filters. The filter is a direct replacement for OEM units and can be easily recharged with aFe’s POWER CLEANER for continued performance. Suitable for a wide range of vehicles, it ensures improved airflow and filtration efficiency, helping to maximize engine performance and longevity.