HIGH QUALITY: Made in America PROTECTS YOUR ENGINE K&N’s state-of-the-art filter features thousands of microscopic cotton fibers, and an innovative design of layered, oiled cotton media helps to capture dirt and shield your engine from contaminants. HA-6099 Washable Air Filter KN Engine Air Filter: High Performance, Premium, Powersport Air Filter: Fits 2003-2006 HONDA (CBR600RR) HA-6003 | Guatemala Reusable Air Filter 1999-2000 CBR600F4 The premium filter design incorporates multiple layers of proprietary cotton gauze media and a specially-engineered oil, originally designed for the demands of the racetrack, and now custom-engineered for your vehicle. Top Performance Accessory for Honda CBR600F4 Models; K&N Million Mile ... HA-6099 · K&N. Add to Cart. 1999 Honda CBR600F4 600 air filter. $83.99. HA-6099 EASY INSTALLATION: Pre-oiled and ready to install; One of the easiest and most cost-effective upgrades for your motorcycle or ATV for quick performance gains View testing data for many K&N filters on individual product pages. ECO-FRIENDLY: Using a washable, reusable product helps reduce replacement waste; A K&N filter will last longer than 10 disposable filters Each filter design is tested in an ISO 5011 laboratory to ensure excellent filtration efficiency for outstanding engine protection. K&N air filters are tested on a SuperFlow flow bench to ensure increased airflow over a stock filter. K&N 99-00 Honda CBR600F4 Air Filter – LLC WASHABLE, REUSABLE, AND ENGINEERED TO LAST K&N engine air filters are designed to be washable, reusable, and last for the life of your vehicle. High-Flow Original Lifetime Engine Air Filter - HONDA CBR600F4 · Designed to provide increased horsepower and torque · Pleated media provides a large filtration... SAVES MONEY: K&N high-flow replacement air filters will save you $250 over 10 years by avoiding disposable filters