• All Products • Exterior Accessories • Nerf Bars/Step Bars • Tonneau Covers/Bed Covers • Performance • Interior Accessories • Lighting • Electronics • Extreme Off-Road • Diesel Performance • Jeep Accessories • Hummer Accessories • FJ Cruiser Accessories • Fuel Economy         Products Viewing products by K&N         K&N 57-Series High-Flow Performance Air Intakes K&N 57-Series High-Flow Performance Air Intakes Designed to increase HP and Acceleration Replaces OEM Filter and Air Box Air Filter is Washable and Reusable Engineered to Specific Vehicle Design Easy to Install, Usually in 90 minutes or less! Lasts up to 100,000 Miles Before Service is Required (depending on driving conditions) Works with Original Equipment Manufacturer Computer Systems Million Mile Limited Warranty HORSEPOWER YOU CAN FEEL           K&N 77-Series High-Flow Performance Air Intakes K&N 77-Series High-Flow Performance Air Intakes Guaranteed to Provide more HP and Increased Acceleration Replaces OEM Filter and Air Box Air Filter is Washable and Reusable Engineered to Specific Vehicle Design Easy to Install, Usually in 90 minutes or less! Lasts up to 100,000 Miles Before Service is Required (depending on driving conditions) Works with Original Equipment Manufacturer Computer Systems Million Mile Limited Warranty Street Legal in Most States (not street legal in CA)           K&N High-Flow Original Equipment Replacement Air Filters K&N High-Flow Original Equipment Replacement Air Filters High Air Flow with Excellent Filtration Designed to Increase Horsepower and Acceleration Washable and Reusable Will NOT Void Vehicle Warranty Lasts up to 50,000 miles before cleaning is required depending on driving conditions K&N Million Mile Limited Warranty® Emissions Legal in all 50 US States Economical, a K&N Air Filter Will Last the Life of Your Automobile, Motorcycle, or ATV Works with Original Equipment Manufacturer Vehicle Electronics Easy High Performance Add-on Environmentally Friendly