K&N IS300 Drop In Air Filter 2018-subaru-wrx-sti-esi1823129 a brand trusted in performance

a brand trusted in performance and reliability

& Stagea WC34 (Manual trans only)

we've designed an extended drain port with a slotted drain plug

clamp-style double adjuster allows for quick adjustments that are easier to reach and free of jam nuts

Wilwood Narrow Superlite 6R Front Big Brake Kit 12

K&N IS300 Drop In Air Filter 2018-subaru-wrx-sti-esi1823129 a brand trusted in performanceK&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