aFe MagnumFLOW Pro DRY S Universal Air Filter, 4-Inch Flange, Part Number 21-91108

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 4 IN F x 6 IN B x 5-1/2 IN T (Inverted) x 7-1/2 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 MagnumFLOW Pro DRY S Universal Air Filter is designed to deliver strong airflow and dependable filtration for performance-focused automotive applications. Featuring three layers of progressively finer synthetic media between polyurethane top and base layers, this conical filter provides a 99.2% filtration efficiency while supporting high-volume air intake performance. Its oil-free design eliminates the need for filter oil, simplifying installation, cleaning, and routine maintenance.

Tall, open, evenly spaced pleats increase dust-holding capacity and help extend service intervals between cleanings. The washable, 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 connection throughout the filter's service life. The 100% polyurethane construction on all sides also provides durability for long-term use in demanding engine compartments.

This aFe MagnumFLOW Pro DRY S filter is intended for select 2016 and 2017 BMW M2 applications when used with a compatible intake system. It is supplied as a replacement air filter and is not CARB approved; verify emissions requirements and application compatibility before installation. The filter is sold individually and is designed for performance intake systems requiring the specified universal conical filter configuration.

Brief Description

Washable, reusable, oil-free performance air filter with synthetic Pro DRY S media, high airflow capacity, and 99.2% filtration efficiency.

Key Product Specifications and Technical Data

• Brand: aFe
• Product Line: MagnumFLOW Pro DRY S
• Part Number: 21-91108
• Filter Type: Universal conical performance air filter
• Media Type: Three-layer progressively finer synthetic media
• Filter Efficiency: 99.2%
• Maintenance: Washable with soap and water
• Oil Requirement: Oil-free design

What's Included in the Box

• One aFe MagnumFLOW Pro DRY S universal air filter

Features:

• High-flow synthetic media supports improved intake airflow and performance potential.
• Oil-free design provides convenient installation and simplified maintenance.
• Washable and reusable construction allows multiple cleaning cycles with soap and water.
• Tall, open pleats provide strong dust-holding capacity for longer service intervals.
• Three progressively finer media layers deliver 99.2% filtration efficiency.
• Durable polyurethane construction helps extend filter service life.
• Flexible polyurethane flange with integrated bumps helps create a tight, leak-resistant seal.
• Designed for compatible intake systems on 2016 and 2017 BMW M2 models.

Fitments:
2016 BMW M2 Base
2017 BMW M2 Base

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