K&N IS300 Drop In Air Filter 2018-subaru-wrx-sti-esi1823129 6 Liter K50

6 Liter K50

& Stagea WC34 (Manual trans only)

The AEM TCM (Throttle Control Module) instantly puts YOU in CONTROL

able to drop the charge air temperatures approximately 150ºF

K&N IS300 Drop In Air Filter 2018-subaru-wrx-sti-esi1823129 6 Liter K50K&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 10 Year Million Mile Limited Warranty. K&N drop in replacement filters are designed to install easily into your