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: 2018-2021 HARLEY DAVIDSON XL1200NS Iron; 2014-2021 HARLEY DAVIDSON XL1200X Forty-Eight; 2014-2021 HARLEY DAVIDSON XL883N Iron; 2014-2020 HARLEY DAVIDSON XL1200C Sportster Custom; 2016-2020 HARLEY DAVIDSON XL1200CX Roadster; 2014-2020 HARLEY DAVIDSON XL1200T SuperLow; 2014-2020 HARLEY DAVIDSON XL883L SuperLow; 2018 HARLEY DAVIDSON XL1200X Forty-Eight Special; 2012-2017 HARLEY DAVIDSON XL1200V Seventy-Two