The Yamaha YZF R1 comes as close to off the track as possible while retaining its street legality
Replacement air filter specially designed for asphalt racing only
Two ply cotton media is designed to be less restrictive, providing a better racing advantage, for the 2009 Yamaha YZF R1’s 998cc liquid-cooled 4-stroke DOHC 16 valve engine
Designed to drop directly into the factory air box
Designed to increase horsepower and acceleration
K&N filters are made by hand in the United States and are constructed of the finest materials
K&N's replacement air filters, is washable and reusable
Warranted against defective workmanship for one year after the date of purchase with no mileage limitation
This K&N air filter is not intended for dirt track, off-road, or highway use
