K&N 05-08 LGT / 08-11 WRX / STi Drop In Air Filter - 33-2304 fits_2016-2020`Kia`Optima Our kit includes more durable

Our kit includes more durable silicone couplers featuring 5-layers of heat-resistant fibers and wire reinforcement to ensure that the Mishimoto hot-side intercooler pipe can stand up to the heat

High Heat Black Coating

Measured Flow: 345 CFM @ 7” H20

For owners completing a full exterior carbon build who want consistent material quality from front to rear

Innovative Filter-to-Housing Interface and Minimal Hardware for Fast and Easy Installation

K&N 05-08 LGT / 08-11 WRX / STi Drop In Air Filter - 33-2304 fits_2016-2020`Kia`Optima Our kit includes more durableK&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