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K&N performance High-Flow Air Filters are engineered to improve engine performance by increasing airflow up to 50%. 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: 2008 HARLEY DAVIDSON FXDSE2 Screamin Eagle Dyna; 2007 HARLEY DAVIDSON FLHRSE3 Screamin Eagle Road King; 2007 HARLEY DAVIDSON FLHTCUSE2 Screamin Eagle Ultra Classic Electra Gli; 2007 HARLEY DAVIDSON FXDSE Screamin Eagle Dyna; 2007 HARLEY DAVIDSON FXSTSSE Screamin Eagle Softail Springer; 2005 HARLEY DAVIDSON FLHTCSE2 Screamin Eagle Electra Glide 2; 2005 HARLEY DAVIDSON FLSTFI Fat Boy F/I 15th Anniv.; 2005 HARLEY DAVIDSON FLSTFSE Screamin Eagle Fat Boy; 2001 HARLEY DAVIDSON FLTRSEI2 Screamin Eagle Road Glide 2 F/I