K&N Performance Air Intake System (57-3108)

K&N Performance Air Intake System (57-3108)57 series OEM air box intake systems include a washable, reusable High Flow Air Filter paired with a CAD designed high airflow intake tube, and is designed to be a simple, cost effective performance upgrade. The included oiled cotton filter is a direct replacement for your factory filter, drops easily into the factory air box, can go up to 100,000 miles between filter services under normal highway driving conditions, and offers K&N's industry leading

Enclosed air box provides fresh air inlet that is separated from hot engine compartment

K&N air filter top plates will securely seal the top of an air filter and add an impressive visual upgrade to your engine compartment

These systems are paired with a washable

K&N high-flow intake systems give your Harley an aggressive appearance and killer style

Heat shield included for additional protection of snorkel system

The filter base incorporates a 1/4 inch NPT threaded fitting to attach an optional vent adapter

Easy To Clean

and is dyno tested to provide a guaranteed increase in horsepower

Dual cotton layers

DYNO TESTING YOU CAN TRUST: K&N air intake horsepower/torque testing is performed on wheel-based dynamometers and the reports are included with each intake system

The K&N 33-2240 air filter fits some John Deere lawnmowers

Perfco Performance competition filters fill a gap in our market for high-quality competition foam air filters