AEM 21-203D-XK DryFlow Universal Race Clamp-On Air Filter (3in)

Vehicle Fitment

• Universal clamp-on air filter - fits intake tubes with a 3.0 inch inside diameter flange

Features

• DryFlow synthetic air filter media - oil-free and washable
• Universal clamp-on design for easy installation on compatible intake tubes
• Round tapered shape optimizes airflow and engine breathing
• 3 inch inside diameter flange for broad intake compatibility
• High airflow capability for enhanced performance in street or motorsport use
• Excellent filtration efficiency with durable synthetic media
• No oil required - simplifies maintenance
• Limited lifetime manufacturer warranty for long-term reliability

Specifications

• Part number: AEM 21-203D-XK
• Filter type: universal DryFlow clamp-on air filter
• Material: non-woven synthetic media
• Base outside diameter: 6.0 in
• Top outside diameter: 5.0 in
• Height: 5.563 in
• Flange inside diameter: 3.0 in
• Flange length: ~1.875 in
• Flange type: centered clamp-on
• Weight: ~1.4 lb

Included Components

• 1x AEM 21-203D-XK DryFlow universal air filter

Product Description

The AEM 21-203D-XK DryFlow Universal Race Clamp-On Air Filter is a high-performance, washable synthetic air filter engineered to support increased airflow and superior filtration without the need for oiling. Its conical, round-tapered design promotes efficient engine breathing and enhanced performance across a wide range of applications. Built with premium non-woven DryFlow media, this filter traps contaminants effectively while resisting water absorption, and it is easy to clean and reuse for long service life.

Designed for universal fitment, the 21-203D-XK installs easily onto intake tubes with a 3.0-inch inside diameter using a clamp-on connection, making it suitable for many aftermarket air intake setups and performance applications. Whether you're optimizing a street machine's throttle response or preparing a track car for competition, this DryFlow filter delivers dependable airflow and filtration performance backed by AEM's limited lifetime warranty.