aFe Magnum FORCE Pro DRY S Conical Performance Air Filter, Part Number 21-91057

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 IN F x 6 IN B x 4-1/2 T (Inverted) x 7 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

Upgrade your intake system with the aFe Magnum FORCE Pro DRY S Conical Performance Air Filter, Part Number 21-91057. Designed for high-flow applications, this oil-free replacement filter uses three layers of progressively finer synthetic mesh media to deliver excellent airflow while capturing contaminants with up to 99.2% filtration efficiency. The open, evenly spaced pleats provide strong dust-holding capacity, helping extend service intervals between cleanings.

The filter features a durable 100% polyurethane top and base, plus a pliable polyurethane flange with integrated sealing bumps for a secure, leak-resistant fit throughout the filter’s service life. Its oil-free design simplifies maintenance, while the washable and reusable construction allows multiple cleaning cycles using soap and water. The inverted conical configuration is suited for compatible aFe Magnum FORCE intake systems and other applications requiring a high-performance replacement air filter.

Product Specifications & Technical Data

• Brand: aFe
• Part Number: 21-91057
• Product Type: Conical performance air filter
• Filter Media: Three-layer progressively finer synthetic mesh
• Filter Efficiency: Up to 99.2 percent
• Filter Style: Inverted conical design
• Maintenance Type: Washable with soap and water
• Construction: 100% polyurethane top, base, and flange

What’s Included

• One aFe Magnum FORCE Pro DRY S replacement air filter

Fitment data should be verified against the vehicle, intake system, and application requirements before installation. This product is not CARB approved and may not be legal for use on pollution-controlled vehicles in all states or regions. Review applicable emissions regulations and installation requirements before purchase.

Features:

• High-Flow Synthetic Media: Three progressively finer layers provide excellent airflow and up to 99.2 percent filtration efficiency.
• Oil-Free Maintenance: Cleans with standard soap and water without requiring filter oil.
• Washable and Reusable: Designed for multiple cleaning cycles to help reduce replacement frequency.
• Durable Sealing Construction: A pliable polyurethane flange with integrated bumps helps maintain 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