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Air and Fuel› Air Cleaners, Filters, Intakes and Components

Universal

Pro DRY S 4-Inch Flange Round Air Filter

$113.75 $77.35 Save $36.40

SKU: 21-91134

In Stock
In Stock
Ships by Aug 3
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30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The aFe Power 21-91134 Magnum FLOW air filter is designed as a universal replacement filter, utilizing Pro DRY S media for efficient air intake. This filter is constructed with 100% polyurethane on all seams for durability and features tall, open, evenly spaced pleats to maximize airflow. With a round, straight design, this filter has specific dimensions: a 4-inch flange diameter, a 6-inch base diameter, and a 5-1/2-inch top diameter. Its overall height is 9 inches. The Pro DRY S media is washable and reusable, offering longevity and multiple cleanings. This air filter is suitable for a wide range of vehicles, indicated by its universal fitment.

MIA's Description

The aFe Power 21-91134 is a universal air filter featuring Pro DRY S media. This round, straight air filter has a 4-inch flange diameter, a 6-inch base diameter, and a 5-1/2-inch top diameter. It stands 9 inches tall and has tall, open, evenly spaced pleats.

Fitment

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Specifications

BrandUniversal
Part Number21-91134
CategoryAir and Fuel

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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