K&N Engineering K&N 20-26 Ford Super Duty V8 Diesel Dryflow Lifetime Engine Air Filter 33-5100HBK

KN Direct Fit Air Filter

Engine Air Filter

K&N washable, reusable Diesel Dryflow Air Filters feature a state-of-the-art design of layered; cotton & synthetic 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 No-Hassle Lifetime Limited Warranty. K&N drop-in replacement filters are designed to install easily into your factory air box.