Performance Air Filters

K&N E-3461 is an oval replacement air filter featuring red oiled cotton gauze for superior airflow and filtration.Fits factory air box. Washable, reusable, with No-Hassle Lifetime Limited Warranty.Red cotton gauze mediaOval shape, 3.25in height, 8.875in...

K&N's replacement High-Flow Air Filters are designed to increase horsepower while providing exceptional engine protection, and are covered by K&N's No-Hassle Lifetime Limited Warranty.Key Features:4 layers of premium cotton gauze treated with...

K&N E-3402 is a high-performance round replacement air filter. It uses red oiled cotton gauze media to deliver excellent filtration and increased airflow for better engine performance.Drops into the factory air box. Washable and reusable with No-Hassle...

K&N's replacement High-Flow Air Filters are designed to increase horsepower while providing exceptional engine protection, and are covered by K&N's No-Hassle Lifetime Limited Warranty.Key Features:4 layers of premium cotton gauze treated with...

K&N E-3346 is a high-performance round replacement air filter designed for specific Honda applications. It features red oiled cotton gauze media that provides excellent filtration while allowing superior airflow for increased horsepower and acceleration...

K&N E-3341 oval replacement air filter for 2004-2012 Porsche Boxster and Cayman. Red oiled cotton gauze.No-Hassle Lifetime Limited Warranty.Red cotton gauze mediaOval shape, 3.313in height, 7in length x 4.5in widthRe-oiling: 0.47 oz (14 ml)WARNING:...

K&N's replacement High-Flow Air Filters are designed to increase horsepower while providing exceptional engine protection, and are covered by K&N's No-Hassle Lifetime Limited Warranty.Key Features:4 layers of premium cotton gauze treated with...

K&N's replacement High-Flow Air Filters are designed to increase horsepower while providing exceptional engine protection, and are covered by K&N's No-Hassle Lifetime Limited Warranty.Key Features:4 layers of premium cotton gauze treated with...

K&N E-3333 unique replacement air filter for specific Harley-Davidson RK Series air cleaner assemblies. Red oiled cotton gauze.Washable and reusable with Million Mile Limited Warranty.Red cotton gauze mediaUnique shape, 2.188in heightRe-oiling: 0.49 oz...

K&N's replacement High-Flow Air Filters are designed to increase horsepower while providing exceptional engine protection, and are covered by K&N's No-Hassle Lifetime Limited Warranty.Key Features:4 layers of premium cotton gauze treated with...

K&N's replacement High-Flow Air Filters are designed to increase horsepower while providing exceptional engine protection, and are covered by K&N's No-Hassle Lifetime Limited Warranty.Key Features:4 layers of premium cotton gauze treated with...

K&N E-3322 round replacement air filter for specific Harley-Davidson applications. Red oiled cotton gauze.No-Hassle Lifetime Limited Warranty.Red cotton gauze mediaRound shape, 2.5in height, 6.25in OD, 5.25in IDRe-oiling: 0.37 oz (11 ml)WARNING: Cancer...