Podoy HD-0800 High Performance Air Filter Cleaner for K&N HD-0800 Harley Davidson Air Filter Replacement High air flow with exceptional filtration,Works with original equipment manufacturer vehicle electronics Designed to boost horsepower and rate of accelerationFits: 1999-2005 Harley-Davidson Twin Cam Models w/ Screamin' Eagle Stage Lasts up to 50,000 miles before cleaning is required depending on driving conditions packaging includes 1 pc hd 0800 harley davidson air filter Non original aftermarket part.