aFe Magnum FORCE Pro DRY S Replacement Air Filter, Part Number 21-90037

With three layers of progressively finer mesh synthetic media between 100% polyurethane top and base, this high flow, "oil-free" conical performance filter provides maximum convenience and easy maintenance with excellent airflow. Washable and reusable for multiple cleanings, the tall open evenly spaced pleats provide excellent dust holding capacity for longer service cycle between cleanings. Pliable polyurethane flange with integrated bumps insures tight, no leak seal over the life of the filter. This filter has a 99.2% filter efficiency. Magnum FORCE Intake Replacement Air Filter w/ Pro DRY S Media 4-3/8 IN F x (6x9) IN B x 5-1/2 IN T x 9 IN H

• Maximum Convenience and Easy Maintenance With Excellent Airflow
• 100% Polyurethane Frame On All Sides For Extra Long Filter Life
• Washable And Reusable For Multiple Cleaning Cycles
• Maximum Airflow for Maximum Performance Gains
• Pliable Polyurethane Flange w/Integrated Bump
• Filter Washes Clean With Soap and Water

The aFe Magnum FORCE Pro DRY S Replacement Air Filter is designed to provide high airflow and dependable filtration for compatible performance intake systems. Its conical design uses three progressively finer layers of synthetic media positioned between polyurethane top and base sections, delivering a reported 99.2% filtration efficiency while supporting strong engine airflow. This oil-free filter is a practical replacement for drivers who want performance-oriented filtration without the maintenance requirements associated with oiled filter media.

Built for repeated service, the aFe Part Number 21-90037 filter features washable and reusable media that can be cleaned with soap and water. Tall, evenly spaced pleats provide substantial dust-holding capacity, helping extend service intervals between cleanings. The 100% polyurethane construction is designed for long-term durability, while the pliable polyurethane flange and integrated sealing bumps help maintain a tight, leak-resistant connection throughout the filter’s service life.

Key Product Specifications and Technical Data

• Brand: aFe
• Product Series: Magnum FORCE
• Filter Media: Pro DRY S synthetic media
• Filter Type: Conical replacement air filter
• Filtration Efficiency: 99.2 percent
• Maintenance: Washable with soap and water
• Media Construction: Three progressively finer synthetic layers
• Frame and Flange Material: Polyurethane

What's Included

One aFe Magnum FORCE Pro DRY S replacement air filter. Vehicle fitment should be confirmed before installation using the applicable intake system and vehicle application information. This product is not CARB approved and may not be legal for use on pollution-controlled vehicles in certain jurisdictions.

Features:

• Maximum Convenience and Easy Maintenance: Oil-free synthetic media provides strong airflow and can be cleaned with soap and water.
• Washable and Reusable Construction: Designed for multiple cleaning cycles to support long-term use.
• High Airflow Performance: Open, evenly spaced pleats help maximize airflow and increase dust-holding capacity.
• Durable Sealing Design: A 100% polyurethane frame and pliable flange with integrated bumps help create a tight, leak-resistant seal.

Air Freight Prohibited: false
Not Carb Approved: true
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Regular Stock: t
Units Per Sku: 1