aFe Magnum FORCE Replacement Air Filter with Pro DRY S Media, Part Number 21-91051

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 5-1/2 IN F x 9 IN B x 7 IN T (Inverted) x 8 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 Replacement Air Filter with Pro DRY S Media is designed to deliver strong airflow and reliable filtration for performance intake systems. This conical, oil-free filter uses three progressively finer layers of synthetic media between a 100% polyurethane top and base, providing 99.2% filtration efficiency without requiring filter oil. Its high-flow design supports improved intake performance while simplifying routine maintenance.

Evenly spaced open pleats provide substantial dust-holding capacity, helping extend service intervals between cleanings. The filter is washable and reusable for multiple cleaning cycles with ordinary soap and water, making it a practical replacement for disposable intake filters. A pliable polyurethane flange with integrated sealing bumps helps maintain a tight, leak-resistant fit throughout the filter’s service life. The polyurethane frame also contributes to long-term durability in demanding automotive applications.

Key Product Specifications & Technical Data

• Brand: aFe
• Part Number: 21-91051
• Product Line: Magnum FORCE
• Filter Media: Pro DRY S synthetic media
• Filter Type: Conical performance air filter
• Filter Construction: Three-layer synthetic media with polyurethane top, base, and frame
• Filtration Efficiency: 99.2 percent
• Maintenance Type: Washable and reusable with soap and water

What's Included

• One aFe Magnum FORCE Pro DRY S replacement air filter

This filter is intended for compatible aFe Magnum FORCE intake applications. Verify vehicle and intake-system fitment before purchase. The product is not CARB approved and may not be legal for use on pollution-controlled vehicles in certain states or applications. California customers should confirm emissions compliance and applicable installation restrictions.

Features:

• Oil-free, high-flow synthetic media provides excellent airflow with 99.2 percent filtration efficiency.
• Washable and reusable construction supports multiple cleaning cycles with simple soap-and-water maintenance.
• Evenly spaced open pleats increase dust-holding capacity and help extend service intervals between cleanings.
• Durable polyurethane frame and pliable flange with integrated sealing bumps help provide a tight, leak-resistant fit.

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