K&N performance High-Flow Air Filters are engineered to improve engine performance by increasing airflow. Unlike disposable paper filters which must be frequently replaced K&N Air Filters are washable reusable and engineered to last for the life of your motorcycle ATV or Side-By-Side vehicle. K&N air filters are backed by our famous 10-Year/Million Mile Limited Warranty and they provide an environmentally friendly way to reduce landfill waste by avoiding disposable filters. Engineered to fit easily into your factory air box installation can be completed in a matter of minutes! K&N develops and tests each product on the world’s toughest race tracks so we can bring the highest level of performance for your journey. Join the millions of customers who have saved money and improved performance by upgrading to K&N filtration. Fitment Information: 2009-2018 HONDA TRX90X; 2004-2013 HONDA CRF100F; 2004-2013 HONDA CRF80F; 2007-2008 HONDA TRX90EX; 1993-2006 HONDA TRX90; 1985-2003 HONDA XR100R; 1985-2003 HONDA XR80R