The aFe Quantum Pro-5R Air Filter (23-91129) is a high-performance conical filter designed for Quantum Series cold air intake systems, featuring a 5" flange and 9" height. This oiled cotton filter delivers superior airflow and filtration with its innovative 360-degree radial flow design and built-in 3-angle velocity stack.
Key Features :
5-layer progressive oiled cotton composite media for optimal filtration
Injection molded polyurethane base and top for lightweight durability
Built-in 3-angle velocity stack for smooth, even airflow
360-degree radial flow design maximizes surface area
Captive screws included for secure, tool-free installation
Specifically designed for aFe Quantum cold air intake systems
Recommended for street and performance applications
The Quantum Pro-5R features a unique integrated filter-to-housing design that creates a positive surface area seal when attached with the included captive screws. The oiled cotton gauze media provides excellent filtration efficiency while maintaining high airflow capacity, making it ideal for both daily driving and performance applications.
With dimensions of 5" inlet flange and 9" height (6.75"L x 5.5"W top, 10"L x 8.75"W bottom), this black and blue filter combines advanced engineering with practical design. The polyurethane construction ensures long-lasting performance, while the radial flow design maximizes the filter's surface area for improved airflow.
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