Key Features
Manufactured in the USA using proprietary 4-step molding process to ensure the highest quality.
Specially formulated sensor-safe oiled cotton filtration media traps particles as small as 5 microns.
Up to 25% more air flow compared to the leading manufacturer.
Washable and reusable, eliminates waste from single-use filters.
Designed to meet or exceed OE specifications and covered by HPS's 10-year limited lifetime warranty.
Installs in just minutes.

HPS Performance Drop-In Air Filters are a direct replacement for your vehicle's engine air filter. HPS uses a low pressure injection molding process to produce the panel filter's frame, ensuring a high quality product that allows for up to 25% more airflow than the leading brand. The woven cotton filtration media is encased between durable stainless steel mesh to retain its rigid pleats. This filter is coated with a specially formulated synthetic oil that traps fine particles within the double-layered woven cotton media. It installs in just minutes using little to no tools, depending on the vehicle. HPS Performance Drop-In Air Filters should be serviced every 30,000 miles using the HPS Performance Air Filter Cleaning Kit to maintain optimal filtration and airflow. Manufactured using only high-quality materials, this HPS Performance Drop-In Air Filter is engineered to last and is covered under HPS's 10-year limited lifetime warranty.

Vehicle Application
2019-2024 Subaru Ascent 2.4L H4
2018-2024 Subaru Crosstrek 2.0L H4, All including HYBRID
2021-2024 Subaru Crosstrek 2.5L H4
2019-2024 Subaru Forester 2.5L H4
2017-2024 Subaru Impreza 2.0L H4
2020-2024 Subaru Legacy 2.5L H4
2020-2024 Subaru Legacy 2.4L H4 Turbo
2020-2024 Subaru Outback 2.4L H4 Turbo
2021-2024 Subaru Outback 2.5L H4
2022 Subaru WRX 2.4L H4 Turbo