Overtake Maxx Flo Panel Filter – Subaru 2008-21 WRX, 08-18 STi, 09-18 Forester, 13-17 Crosstrek, 05-17 Legacy/Outback Experience next-level engine performance with the Overtake MaxxFlo Subaru Intake Panel Filters, delivering up to 15% more airflow compared to the factory paper filters. Built with advanced synthetic filtration media, MaxxFlo filters combine superior airflow with high-efficiency filtration. On top of that, all Overtake Panel Filters are 100% washable and reusable, so you will never need another filter for your factory airbox again! With an average filtration efficiency of 98.1% as well as a 20.5g dust-holding capacity, Overtake MaxxFlo filters keep your Subaru engine cleaner for longer while maintaining optimal airflow. Our filters are tested to ISO 5011:2000 standards to ensure consistent, high-performance results. Quick Specs Washable and Reusable Up to 15% increase in airflow for improved engine response 98.1% filtration efficiency for superior engine protection Applications 2008-2021 Subaru WRX 2008-2018 Subaru STI 2009-2018 Subaru Forester 2013-2017 Subaru Crosstrek 2005-2017 Subaru Legacy 2005-2017 Subaru Outback What\’s In The Box? (1x) Overtake Maxx Flo Air Filter References Installation Video