How often should I clean this filter?

That depends on your driving conditions. Inspect the filter regularly, and clean it when you see a buildup of dirt and debris. aFe recommends cleaning every 20,000 to 30,000 miles under normal conditions.

What do I use to clean the filter?

aFe recommends their filter cleaning solution, but you can also use a mild soap and water solution. Be sure to let the filter dry completely before reinstalling it.

What is the filter efficiency?

This filter has a 99.2% filter efficiency. That means it captures almost all airborne particles, protecting your engine from wear and tear.

aFe MagnumFLOW Pro DRY S Universal Air Filter 4in F x 6in B (mt2) x 5.5in T (Inv) x 7.5in H

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aFe

Specifications

Brand: aFe
Part #: 21-91108
UPC: 802959211687

aFe

aFe MagnumFLOW Pro DRY S Universal Air Filter 4in F x 6in B (mt2) x 5.5in T (Inv) x 7.5in H

Name: aFe MagnumFLOW Pro DRY S Universal Air Filter 4in F x 6in B (mt2) x 5.5in T (Inv) x 7.5in H
Brand: aFe
Price: 85.00 USD
Availability: InStock

$85.00

In Stock

Universal air filter for custom intake setups. Washable, reusable, and oil-free for easy maintenance.

Key Features

Washable and reusable — saves money compared to disposable filters
Oil-free design — easy to clean without special solvents
Three-layer synthetic media — balances airflow and filtration
Polyurethane flange — creates a tight seal on your intake tube

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Fits this vehicle

BMW M2 2016-2017

Product Details

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.