aFe Pro 5R Round Air Filter Racing Blue - Blk/Blue
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This item may be on backorder. Please contact us to confirm supplier availability and estimated lead time before ordering.
Regular price
$139.00
Regular price
-20%
$173.75
Sale price
$139.00
Verified Fitment & Application Support
This product is selected for proper fitment and compatibility with the listed engine application. Our team is available to assist with fitment questions, installation considerations, and supporting components to ensure a smooth install and reliable performance.
Got Questions? Feel free to email us or call us at (503) 235-1947
Compliance & Restrictions
California Proposition 65 (Prop 65)
WARNING: This product can expose you to chemicals which is known to the State of California to cause cancer and/or reproductive harm.
For more information, visit www.P65Warnings.ca.gov.
CARB / California Emissions Compliance
This item may be restricted in California and other regions with emissions regulations. If applicable, it is intended for
competition/off-road use only unless otherwise stated. It is the customer’s responsibility to confirm local compliance before purchase.
Orders shipping to restricted areas may be canceled.
The aFe POWER Magnum FLOW Pro 5R Round Racing Air Filter (part number 18-31403) is a universal-fit unit measuring Round Racing Blue.
The T.O.P. Racer from aFe is a patented design by aFe which allows air flow from the side and top of the filter in a single piece design. The T.O.P. Racer filter is uses a one-piece design that eliminates leaks and sealing failure under changing pressures. Air flows in from both top and side sections. This unit uses the Pro 5R media which is constructed of 5-layers of progressive cotton gauze to produce maximum flow. The T.O.P Racer filter is washable and reusable and has a 100 satisfaction guarantee.
Vehicle Fitment
- Universal application — confirm dimensions and part number against your vehicle before ordering.
Features & Benefits
- Five-layer progressively finer oiled cotton gauze media
- Washable and reusable — no replacement filter to buy
- Maximum airflow for best horsepower and torque gains
- High-flow media outflows the restrictive factory filter
- Washable and reusable through many cleaning cycles
- Tall, evenly spaced pleats maximize dust holding capacity
Specifications
- Brand: aFe POWER
- Manufacturer Part Number: 18-31403
- SKU: afe18-31403
- Product Line: Magnum FLOW
- Filter Media: Pro 5R
- Part Type: Round Racing Air Filter
Always verify aFe POWER part number 18-31403 against your vehicle's year, engine, and configuration before ordering.
Shipping Height: 6.0
Shipping Length: 14.0
Shipping Width: 14.0