K&N Round Air Filter (E-3690)

K&N Round Air Filter (E-3690)K&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 No Hassle Lifetime Limited Warranty. K&N drop in replacement filters are designed to install easily into your

This air intake is relatively easy to install usually in 90 minutes or less using existing factory mounting points

reusable K&N high-flow air filter

Washable & reusable

This coupler adapts a 3 inch to a 2-3/4 inch tube and is 3 inches in length

3/8 inch clamp-on flange

a ratchet set and an Allen wrench

Includes 1/4 inch

depending on driving conditions

K&N High-Flow Intake Systems give your Harley® an aggressive appearance while providing a significant increase in airflow resulting in more power

000 miles before service is needed

Clamps directly onto metal or plastic tubing

K&N Air Intake Kits virtually eliminate air path restriction by replacing the air filter and the entire air path to the engine