K&N 04-07 Subaru STi K&N Drop In Air Filter 1981-toyota-corolla-esi3407647 Assuring smooth operation

Assuring smooth operation

-- The injection-molded MAF housing is precisely calibrated to maintain accurate sensor readings

Pro-Line Turbocharger additive will provide needed protection and allow proper break-in of new units which prevents additional repairs

or leak with repeated heat cycles like the stock plastic tank will

K&N 04-07 Subaru STi K&N Drop In Air Filter 1981-toyota-corolla-esi3407647 Assuring smooth operationK&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