aFe Quantum Pro 5R Replacement Air Filter, Inverted Top, 5-Inch Flange, Part 23-91129

Quantum Pro 5R air filter by aFe Power is specifically designed for the Quantum Series cold air intake systems and feature an injection molded base and top for lighter weight and rigidity. The newly designed base includes a built-in, 3-angle velocity stack for smooth, even airflow. The Quantum Pro 5R filter is a 360-degree radial flow air filter with oiled, 5-layer progressive cotton composite media that provides maximum flow, performance and protection. Captive screws are included to eliminate lost hardware and to securely fasten to the Quantum Intake system housing. QUANTUM Intake Replacement Air Filter w/ Pro 5R Media 5 IN F x (10x8-3/4) IN B x (6-3/4x5-1/2) T (Inverted) x 9 IN H

• Injection Molded Top and Base For Long Lasting Rigidity
• Built In 3 Angle Velocity Stack For Smooth Even Airflow
• Securely Fastens To Housing w/4 Captive Screws
• Unique Filter-To-Housing Integrated Design
• Lighter In Weight

The aFe Quantum Pro 5R replacement air filter is designed specifically for aFe Power Quantum Series cold air intake systems. It features oiled, five-layer progressive cotton composite media in a 360-degree radial-flow configuration to support high airflow, strong engine performance, and dependable filtration. The inverted-top design uses a 5-inch flange and is engineered for a precise connection to the compatible Quantum intake housing.

An injection-molded top and base provide a rigid, lightweight structure that is built for long-lasting use. The integrated base incorporates a three-angle velocity stack to help smooth and evenly distribute incoming air as it enters the intake system. This filter-to-housing design helps optimize airflow while maintaining a secure fit. Four captive screws are included to fasten the filter to the housing and help prevent hardware from being misplaced during installation or service.

The aFe Power Quantum Pro 5R filter is intended as a replacement component for compatible Quantum Series intake applications. Its washable, reusable oiled cotton composite media can provide a practical alternative to replacing disposable filters when properly cleaned, serviced, and re-oiled according to the manufacturer’s recommendations. This product is not CARB approved, and applicable emissions requirements should be verified before installation for street-driven vehicles.

What's Included: One aFe Power Quantum Pro 5R replacement air filter with integrated molded top and base, plus four captive mounting screws.

Fitment: Designed for compatible aFe Power Quantum Series cold air intake systems requiring a 5-inch flange and inverted-top replacement filter. Verify intake system compatibility before ordering.

Features:

• Oiled five-layer progressive cotton composite media supports high airflow, performance, and filtration protection
• Injection-molded top and base provide lightweight construction with long-lasting rigidity
• Built-in three-angle velocity stack promotes smooth, even airflow through the filter base
• Four captive screws securely fasten the filter to the Quantum intake housing while helping prevent lost hardware

Air Freight Prohibited: false
Not Carb Approved: true
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Regular Stock: t
Units Per Sku: 1