aFe Momentum Pro DRY S Replacement Air Filter, Part Number 21-91147

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. Momentum Intake Replacement Air Filter w/ Pro DRY S Media 5-1/2 IN F x 8 IN B x 8 IN T (Inverted) 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
• Filter Washes Clean With Soap and Water
• Pliable Polyurethane Flange

The aFe Momentum Pro DRY S Replacement Air Filter is designed for high-flow performance, convenient maintenance, and long service life. This conical intake filter uses three layers of progressively finer synthetic media positioned between polyurethane top and base components. The oil-free design delivers excellent airflow without requiring filter oil, making servicing simpler and cleaner.

Tall, open, evenly spaced pleats provide strong dust-holding capacity and help extend the service interval between cleanings. The washable and reusable media can be cleaned with soap and water for multiple maintenance cycles. A flexible polyurethane flange with integrated sealing bumps helps maintain a tight, leak-resistant fit throughout the life of the filter. The filter provides a stated 99.2% filtration efficiency while supporting maximum airflow for performance-oriented intake systems.

Key Product Specifications & Technical Data

• Brand: aFe
• Product Line: Momentum Pro DRY S
• Part Number: 21-91147
• Filter Type: Conical replacement air filter
• Filter Media: Three-layer progressively finer synthetic media
• Filter Design: Oil-free, washable, and reusable
• Filtration Efficiency: 99.2%
• Flange Material: Flexible polyurethane with integrated sealing bumps

What's Included in the Box

• One aFe Momentum Pro DRY S replacement air filter

Fitment data should be verified against the vehicle, intake system, and original filter application before installation. This product is not CARB approved and may not be legal for use on pollution-controlled vehicles in all jurisdictions. California customers should confirm applicable emissions requirements before purchase or installation. Proposition 65 warnings may apply.

Features:

• Maximum convenience and easy maintenance with excellent airflow
• Three-layer synthetic media provides 99.2% stated filtration efficiency
• Washable and reusable design supports multiple cleaning cycles with soap and water
• Flexible polyurethane flange with integrated sealing bumps helps provide 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