K&N Round Air Filter (E-3670)

K&N Round Air Filter (E-3670)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

Aluminum construction

The filter housing is made from highly-durable anodized aluminum and the filter media can be used to filter a variety of oils and fuels including methanol

as well as other applications

Color K&N logo embossed on metal

air cleaner lids and other items that need to be rubber mounted

5 inches if needed

Custom designed for Enderle Birdcather hat

The K&N E-3987 is a replacement air filter for K&N Street Shaker Air Intake Systems for Harley-Davidson V-Twin Motorcycles

The 69-4510TS air intake comes with a black rubber topped K&N high-flow air filter that installs into the previous air box space

Replaces entire factory air intake system

allowing a direct connection between your gas pedal and throttle body

K&N AirCharger Air Intakes replace the restrictive stock OE air cleaner with a K&N High-Flow Air Filter and mandrel-bent aluminum intake tube