Air Filter Cleaner Fit for Honda TRX450R Sportrax 450 R 2004-2005 17254-HP1-000Air Filter Cleaner Element Replacement Fit for Honda TRX450R 2004 2005 Sportrax 450 R Features: High Air Flow with Excellent Filtration. Environmentally Friendly. Designed to Increase Horsepower and Acceleration. Washable and Reusable. They offer bigger air flow, with almost 99% filtering efficiency. Lasts up to 50,000 miles before cleaning is required depending on driving conditions. No need to change carburetor jets or settings. Top quality