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Cobb High Flow Filter – 2022+ WRX / 2019+ Ascent

Cobb High Flow Filter – 2022+ WRX / 2019+ Ascent


The COBB High Flow Filter ensures that only clean air passes into your engine for maximum efficiency. Why not treat your car to fresh air with a COBB High Flow Filter and let it reward you with increased power and fuel economy!

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COBB High Flow Filters are designed to permit very high flow rates, minimize restriction, maximize filtration and provide a long life filter. It uses a proprietary single layer polyester construction with a precision molded rubber base.

How do I service my COBB High Flow Filter?

  • 1. Remove the air filter from the air box.
  • 2. Remove any larger debris, such as leaves by hand.
  • 3. Submerse the filter in warm soapy water and gently massage the filter material.
  • 4. Rinse the filter material with clean water.
  • 5. Leave the filter to dry naturally in the open air

Note: Do not use compressed air or direct heat to speed up the drying process as it can damage the filter material.


Subaru High Flow Filter WRX 2022-2023, Ascent 2019+, LXT 2020+, OBXT 2020+

  • Perfect Fit to OEM Airbox
  • Precision Molded for Direct Drop In To The Factory Air Box
  • Increased Air Flow While Maintaining Filtering Efficiency
  • High Quality Synthetic Nanofiber
  • Compatible with COBB Accessport OTS Maps


This part is not an emissions-related part and therefore can be used on Emission Controlled Vehicles.


Additional Information

Weight 1.3 lbs
Dimensions 9.4 × 9 × 1.6 in


  • 2022-2023 WRX
  • 2019+ Ascent
  • 2020 LXT
  • 2020-2024 Outback XT