aFe 21-50506 Universal Pro DRY-S Air Filter (5" ID Clamp-On)

Vehicle Fitment

• Universal Fit - Designed for custom or aftermarket intake systems (Clamp-On)

Features

• Pro DRY-S oil-free synthetic air filter media for easy maintenance
• Three progressively finer layers for optimal airflow and filtration
• Washable and reusable design lowers long-term cost
• 100% polyurethane frame and flange resist heat and chemicals
• Integrated bump seal creates a tight, leak-free clamp fit
• Tall, open pleat design increases usable media surface area
• Enhances engine breathing compared to disposable paper filters
• Universal clamp-on configuration suits custom cold air or short ram intakes

Specifications

• Brand: aFe
• Part Number: 21-50506
• Filter Style: Clamp-On Conical Air Filter
• Filter Media: Pro DRY-S synthetic media
• Flange Inside Diameter: 5"
• Top Outside Diameter: 4.75"
• Base Outside Diameter: 6.5"
• Height: 6"
• Reusable/Washable: Yes
• CARB Legal: No (Universal, not vehicle-specific)

Included Components

• 1x aFe MagnumFLOW Pro DRY-S Universal Clamp-On Air Filter (21-50506)

Product Description

The aFe MagnumFLOW Pro DRY-S Air Filter (21-50506) is a high-performance, universal clamp-on filter designed for aftermarket or custom intake applications. Featuring oil-free synthetic media, it can be washed and reused multiple times without re-oiling, simplifying maintenance while maximizing airflow and filtration.

Constructed with a durable polyurethane frame and an integrated bump seal, this filter ensures a secure, leak-free fit on 5" intake tubes or velocity stacks. Its tall, open pleat design increases media surface area, enhancing engine breathing and performance. Ideal for enthusiasts installing performance intakes, turbo inlets, or custom setups where stock filters are not compatible.