This AEM DryFlow air filter element is a reusable, clamp-on conical filter built with synthetic filter media in red. It features a 4.5in inside diameter flange for clamping onto compatible open-element intake tubing, tapering from a 6in outside diameter base up to a 5.125in outside diameter top, standing 5.125in tall overall. Sold individually, it is a universal-fit replacement or upgrade element compatible with any cold air intake or short ram intake system built around a 4.5in inlet.
Specifications:
- Type: Air Filter Element
- Media: DryFlow, Synthetic
- Mounting: Clamp-On
- Shape: Conical
- Color: Red
- Base Outside Diameter: 6in
- Top Outside Diameter: 5.125in
- Height: 5.125in
- Flange (Inside Diameter): 4.5in
- Reusable: Yes
- Fitment: Universal
- Sold As: Each
- Part Number: AEM-21-206DK
FAQ
Is AEM-21-206DK a universal-fit air filter?
Yes. This AEM DryFlow filter element mounts via its 4.5in flange and fits any open-element cold air intake or short ram intake system built around that inlet diameter, regardless of vehicle make or model.
Is AEM-21-206DK washable and reusable?
Yes. The Synthetic DryFlow media on this filter is designed to be cleaned and reused rather than replaced, extending service life across many drive cycles.
What are the dimensions of AEM-21-206DK?
This conical filter element measures 6in Base, 5.125in Top, 5.125in Tall, with a 4.5in flange inside diameter.

