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: 2000-2015 HARLEY DAVIDSON FLSTC Heritage Softail Classic; 2000-2015 HARLEY DAVIDSON FLSTF Fat Boy; 2010-2015 HARLEY DAVIDSON FLSTFB Softail Fat Boy Lo; 2005-2015 HARLEY DAVIDSON FLSTN Softail Deluxe; 2014-2015 HARLEY DAVIDSON FXSB Breakout; 2008-2011 HARLEY DAVIDSON FXCWC Rocker C; 2007-2010 HARLEY DAVIDSON FXSTC Softail Custom; 2008-2009 HARLEY DAVIDSON FLSTSB Softail Cross Bones; 2008-2009 HARLEY DAVIDSON FXCW Rocker; 2009 HARLEY DAVIDSON FXDFSE CVO Fat Bob; 2000-2009 HARLEY DAVIDSON FXST Softail Standard; 2000-2009 HARLEY DAVIDSON FXSTB Night Train; 2009 HARLEY DAVIDSON FXSTSSE3 CVO Softail Springer; 1999-2007 HARLEY DAVIDSON FLHR Road King; 2007 HARLEY DAVIDSON FLHRC Road King Classic; 2004-2007 HARLEY DAVIDSON FLHRS Road King Custom; 1999-2007 HARLEY DAVIDSON FLHT Electra Glide Standard; 1999-2007 HARLEY DAVIDSON FLHTC Electra Glide Classic; 2002-2007 HARLEY DAVIDSON FLHTCI Electra Glide Classic F/I; 2007 HARLEY DAVIDSON FLHTCU Ultra Classic Electra Glide; 2007 HARLEY DAVIDSON FLHTP Electra Glide Police; 2006-2007 HARLEY DAVIDSON FLHX Street Glide; 2005-2007 HARLEY DAVIDSON FLSTSC Softail Springer Classic; 1999-2007 HARLEY DAVIDSON FLTR Road Glide; 1999-2007 HARLEY DAVIDSON FXD Dyna Super Glide; 2007 HARLEY DAVIDSON FXDB Street Bob; 2007 HARLEY DAVIDSON FXDC Super Glide Custom; 1999-2007 HARLEY DAVIDSON FXDL Dyna Low Rider; 1999-2007 HARLEY DAVIDSON FXDWG Dyna Wide Glide; 2000-2007 HARLEY DAVIDSON FXSTD Softail Deuce; 2002-2006 HARLEY DAVIDSON FLHRCI Road King Classic F/I; 2002-2006 HARLEY DAVIDSON FLHRI Road King F/I; 2004-2006 HARLEY DAVIDSON FLHRSI Road King Custom F/I; 2002-2006 HARLEY DAVIDSON FLHTCUI Electra Glide Ultra Classic F/I; 2006 HARLEY DAVIDSON FLHTCUSE Screamin Eagle Ultra Classic Electra Glid; 2003-2006 HARLEY DAVIDSON FLHTI Electra Glide Standard F/I; 2006 HARLEY DAVIDSON FLHXI Street Glide F/I; 2006 HARLEY DAVIDSON FLST Heritage Softail; 2002-2006 HARLEY DAVIDSON FLSTCI Heritage Softail Classic F/I; 2001-2006 HARLEY DAVIDSON FLSTFI Fat Boy F/I; 2006 HARLEY DAVIDSON FLSTI Heritage Softail F/I; 2005-2006 HARLEY DAVIDSON FLSTNI Softail Deluxe F/I; 2005-2006 HARLEY DAVIDSON FLSTSCI Softail Springer Classic F/I; 2002-2006 HARLEY DAVIDSON FLTRI Road Glide F/I; 2006 HARLEY DAVIDSON FXDBI Street Bob F/I; 2005-2006 HARLEY DAVIDSON FXDCI Dyna Super Glide Custom F/I; 2004-2006 HARLEY DAVIDSON FXDI Dyna Super Glide F/I; 2006 HARLEY DAVIDSON FXDI35 35th Anniv. Super Glide F/I; 2004-2006 HARLEY DAVIDSON FXDLI Dyna Low Rider F/I; 2004-2006 HARLEY DAVIDSON FXDWGI Dyna Wide Glide F/I; 2001-2006 HARLEY DAVIDSON FXSTBI Night Train F/I; 2001-2006 HARLEY DAVIDSON FXSTDI Softail Deuce F/I; 2001-2006 HARLEY DAVIDSON FXSTI Softail Standard F/I; 2000-2006 HARLEY DAVIDSON FXSTS Springer Softail; 2001-2006 HARLEY DAVIDSON FXSTSI Springer Softail F/I; 2005 HARLEY DAVIDSON FLHTCSE2 Screamin Eagle Electra Glide 2; 2004-2005 HARLEY DAVIDSON FXDXI Dyna Super Glide Sport F/I; 1999-2004 HARLEY DAVIDSON FXDX Dyna Super Glide Sport; 2000-2003 HARLEY DAVIDSON FLSTS Heritage Springer; 2001-2003 HARLEY DAVIDSON FLSTSI Heritage Springer F/I; 2001-2003 HARLEY DAVIDSON FXDXT Dyna Super Glide T-Sport; 2001 HARLEY DAVIDSON FXDWG3; 1999-2000 HARLEY DAVIDSON FXDS Dyna Convertible; 2000 HARLEY DAVIDSON FXDWG2