K&N 02-07 WRX/STi Drop In Air Filter 11in O/S Length / 6.563in O/S Width / 1.063in Height - 33-2232 fits_1973-1979`Honda`Civic and you’ll unleash a roar

and you’ll unleash a roar worthy of JLR’s performance heritage—commanding

Pro GUARD7 Media: This filter features 5-layers of progressively Finer Oiled Cotton Gauze and 2-layers of Finer Porosity Synthetic non-woven media for highest filtration efficiency for extreme dust environments

It's designed to increase airflow and provide a perfect fit

The factory does not publish specifications for caster

K&N 02-07 WRX/STi Drop In Air Filter 11in O/S Length / 6.563in O/S Width / 1.063in Height - 33-2232 fits_1973-1979`Honda`Civic and you’ll unleash a roarK&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