K&N Engineering 57-9039 KN 57 FIPK Air Intake 50 engine-valve-train-cam-sprockets 2000 Ski-Doo Formula 500 LC

2000 Ski-Doo Formula 500 LC

1997 Polaris 440 XC

Relaxed shorty elastic sleeve cuffs

Ultimax PRO features a thicker cross section to increase surface area to the clutch

Top quality

K&N Engineering 57-9039 KN 57 FIPK Air Intake 50 engine-valve-train-cam-sprockets 2000 Ski-Doo Formula 500 LC57 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 50,000 miles between filter services under normal highway driving conditions, and offers K&N's industry leading