K&N Engine Air Filter Washable 33-5092 for Subaru WRX STI 2.5L 2019-2021 SONAX - Detailing Tools Shear-stable synthetic base oils and

Shear-stable synthetic base oils and high-quality anti-wear additives

Optimum ABS properties

Dimensions unfolded: 98 x 60 x 108 open

Delivers exceptional wear protection

The GR86 Eventuri system uses our Patented Carbon fiber Housing which provides an aerodynamically efficient airflow path from the filter to the engine

K&N Engine Air Filter Washable 33-5092 for Subaru WRX STI 2.5L 2019-2021 SONAX - Detailing Tools Shear-stable synthetic base oils andHIGH FLOW ENGINE AIR FILTER Application: Subaru WRX STI 2. 5L 2019 2021 K&N washable, reusable High Flow Air Filters feature a state of the art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's No Hassle Lifetime Limited Warranty. K&N