aFe Power MagnumFLOW OE Replacement PRO Dry S Air Filter (31-10327) | Subaru WRX 2022-2025 / Crosstrek 2018-2025 / Legacy XT 2020-2025 / Outback XT 2020-2025 / Ascent 2019-2025

The aFe Power MagnumFLOW OE Replacement PRO Dry S Air Filter is designed to improve airflow and filtration efficiency while serving as a direct replacement for the factory air filter on Subaru WRX 2022–2025, Crosstrek 2018–2025, Legacy XT 2020–2025, Outback XT 2020–2025, and Ascent 2019–2025 applications. Built for drivers seeking enhanced performance with minimal maintenance, this oil-free filter supports improved throttle response and overall engine efficiency while retaining the factory airbox.

KEY FEATURES

• Direct replacement OE-style air filter for the factory airbox
• MagnumFLOW PRO Dry S oil-free filter media delivers improved airflow and filtration
• No oiling required for easy maintenance and consistent performance
• Washable and reusable design for long service life
• Improves throttle response and overall engine breathing

TECHNICAL SPECIFICATIONS

• Filter Type: OE replacement air filter
• Filter Media: aFe MagnumFLOW PRO Dry S (oil-free)
• Installation: Direct replacement for OEM air filter
• Maintenance: Washable and reusable
• Application: Factory airbox performance upgrade

VEHICLE FITMENT

• Subaru WRX 2022–2025
• Subaru Crosstrek 2018–2025
• Subaru Legacy XT 2020–2025
• Subaru Outback XT 2020–2025
• Subaru Ascent 2019–2025

aFe Power engineers performance intake, filtration, and exhaust solutions designed to increase airflow, improve engine efficiency, and deliver proven gains for street, performance, and motorsports applications.