The aFe 21-45507 Magnum FLOW Pro DRY S Air Filter is the perfect upgrade for drivers seeking high-flow performance with oil-free convenience. Constructed with three layers of progressively finer synthetic mesh, this conical filter delivers maximum airflow without sacrificing filtration efficiency—ideal for street use or daily drivers.

Its washable and reusable design reduces maintenance costs over time, while tall, evenly spaced pleats provide excellent dust-holding capacity and extended service intervals. Built with 100% polyurethane top and base, this filter is designed for longevity and repeated cleanings. The pliable flange with integrated bump seals ensures a tight, leak-free fit that lasts the life of the filter.

Key Features:

• Part Number: 21-45507

• Media: Pro DRY S – 3-layer synthetic mesh (oil-free)

• Reusable: Washable for multiple cleaning cycles

• Construction: 100% polyurethane top and base for long life

• Seal: Pliable polyurethane flange with integrated bump seal

• Design: Conical high-flow shape with tall, open pleats

• Performance: Excellent airflow, dust capacity, and filtration

Fitment / Sizing:

• Flange Diameter (F): 4.5"

• Base Diameter (B): 6"

• Top Diameter (T): 4.75"

• Height (H): 7"

Note: Universal fit. Verify housing compatibility before purchasing.

What’s Included:

• 1 x aFe Magnum FLOW Pro DRY S Air Filter – Part #21-45507

• Installation Instructions