AEM DryFlow Air Filter Kit 4in x 7in DRYFLOW | 21-2057DK

Upgrade your intake system with the AEM DryFlow Air Filter (21-2057DK), a high-performance, reusable filter engineered to deliver increased airflow, improved engine efficiency, and long-lasting durability. Designed as a universal clamp-on filter, it’s ideal for custom intakes, cold air systems, and performance builds.

Unlike traditional oiled filters, AEM’s DryFlow technology uses an oil-free synthetic filtration media, eliminating the need for messy re-oiling while still providing excellent filtration and airflow. This helps protect your engine from harmful debris while maintaining optimal performance.

The tapered conical design with a performance filter top maximizes airflow, allowing your engine to breathe more efficiently. Whether you're looking for improved throttle response or a reliable reusable filter, this unit delivers a strong balance of performance and protection.

Key Features:

• High-flow performance air filter for improved horsepower and acceleration
• Oil-free synthetic DryFlow media – no oiling required
• Washable and reusable for long-term cost savings
• Tapered conical design with filter top for maximum airflow
• Durable clamp-on design for universal applications
• Excellent filtration without sacrificing performance
• Backed by a limited lifetime warranty

Performance Benefits:

• Improves airflow and engine breathing
• Enhances throttle response and efficiency
• Provides consistent filtration and protection
• Eliminates maintenance hassle of oiled filters

Part Details:

• Part Number: 21-2057DK
• Filter Type: DryFlow (Oil-Free Synthetic)
• Shape: Tapered Conical
• Flange Inside Diameter: 4"
• Base Diameter: 5.75"
• Top Diameter: 4.75"
• Height: 7"
• Washable: Yes (Reusable)
• Color: Red

Fitment:

• Universal fit (clamp-on style)
• Compatible with most 4-inch intake pipes
• Commonly used on aftermarket cold air intake systems

Note:

• Always measure your intake pipe diameter before purchasing
• Not CARB compliant for use in certain emissions-restricted states
• Cleaning kit recommended for maintenance