K&N Custom Air Filter 7in OD X 5 1/2in ID x 2in H Truck Exhaust 4L & 17-22 5

4L & 17-22 5

improved throttle response and performance

Designed to work in-line with your vehiclea**s original equipment

7L (tt)/Expedition 18-21 V6-3

K&N Custom Air Filter 7in OD X 5 1/2in ID x 2in H Truck Exhaust 4L & 17-22 5K&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