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: 2016-2017 HARLEY DAVIDSON FXDF Fat Bob; 2016-2017 HARLEY DAVIDSON FXDL Dyna Low Rider; 2016-2017 HARLEY DAVIDSON FXDL Low Rider; 2016-2017 HARLEY DAVIDSON FXDWG Dyna Wide Glide; 2016 HARLEY DAVIDSON FLD Switchback; 2014-2016 HARLEY DAVIDSON FLHTKSE CVO Limited; 2010-2016 HARLEY DAVIDSON FLHXSE CVO Street Glide; 2009-2016 HARLEY DAVIDSON FLTRSE3 CVO Road Glide; 2011-2016 HARLEY DAVIDSON FLTRUSE CVO Road Glide Ultra; 2014-2015 HARLEY DAVIDSON FLSTNSE CVO Softail Deluxe; 2013 HARLEY DAVIDSON FLHRSE5 CVO Road King; 2013 HARLEY DAVIDSON FLHTCUSE8 CVO Ultra Classic Electra Glide F/I; 2012 HARLEY DAVIDSON FLHTCUSE7 CVO Ultra Classic Electra Glide; 2012 HARLEY DAVIDSON FLHXSE3 CVO Street Glide; 2010-2012 HARLEY DAVIDSON FLSTSE CVO Softail Convertible; 2012 HARLEY DAVIDSON FLSTSE3 CVO Softail Convertible; 2011 HARLEY DAVIDSON FLHTCUSE6 CVO Ultra Classic Electra Glide; 2011 HARLEY DAVIDSON FLHXSE2 CVO Street Glide; 2011 HARLEY DAVIDSON FLSTSE2 CVO Softail Convertible