AEM AEM-21-2109DK Universal Air Filter

AEM AEM‑21‑2109DK Universal Dryflow Air Filter – Black

AEM 21‑2109DK is a universal air filter designed for high-performance applications. The dry-type (Dryflow) filter media provides excellent filtration and is washable and reusable for long-lasting use. Its reverse cone design allows for easy installation in tight engine compartments.

✅ Dry fiber filter media – washable without lubrication

✅ Increases air flow, contributing to engine performance

✅ Space-saving reverse cone design

✅ 50,000 mile service life (in clean conditions)

✅ High-quality silicone flange and durable construction

Unlike OEM systems, this filter reduces air intake restrictions, allowing the engine to breathe more freely and delivering more aggressive throttle response and potential power gains. AEM's patented design eliminates oil contact issues found in wet filters.

Technical Specifications

- Flange inner diameter: 76 mm (3 inches)

- Filter height: 152 mm

- Filter diameter (bottom): 152 mm

- Filter diameter (top): 127 mm

- Filter material: Dry-type fiber (Dryflow)

- Reusable: Yes, washable

Compatible Applications

- Universal design for many custom-built systems, performance projects, race cars, and motorized applications

Installation

Can be directly clamped to any AEM or similar diameter pipe using a 3“ flange. The reverse tapered design facilitates installation in tight spaces. No professional installation required.

Note

For use as a dry-type filter only; must not be coated with oil. Compatible pipe diameter must be 3” (76 mm). Inlet size must be checked before installation.