Pay in 4 interest-free payments of $22.31 Learn more
Ships within 48 hours · Estimated delivery Jul 26 - Jul 31
Pro link with Pro Feature set
Running rich (very low air/fuel ratio
000 miles between filter services under normal highway driving conditions
Scraper and windage tray assembly is 70% stronger and 10% lighter than the factory windage tray
33-5092 K&N Replacement Air Filter, 2019 - 2021 Subaru WRX STI 2.5L LX470 Pro link with Pro FeatureK&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 drop in replacement filters are designed to install easily into your