K&N air intake systems are engineered for increased performance, outstanding durability, and sleek aesthetics—and are available in an assortment of finishes and powder coatings. K&N's state-of-the-art High-Flow Air Filter™ helps to shield your engine from contaminants, while a meticulously engineered aerodynamic tube design contributes to a guaranteed increase in horsepower and torque. K&N air intake systems are designed to improve acceleration, towing, and throttle response while providing world class protection for your engine. Our intakes are dyno-tested and provide up to 50% more airflow compared to OEM intake systems. K&N intakes are easy to install and maintain with air filter cleaning required only every 100,000 miles. Vehicle Fitment: 2011-2017 HARLEY DAVIDSON XL883L SuperLow; 2009-2017 HARLEY DAVIDSON XL883N Iron; 2004-2016 HARLEY DAVIDSON XL1200C Sportster Custom; 2014-2016 HARLEY DAVIDSON XL1200T SuperLow; 2012-2016 HARLEY DAVIDSON XL1200V Seventy-Two; 2010-2014 HARLEY DAVIDSON XL1200X Forty-Eight; 2007-2012 HARLEY DAVIDSON XL1200N Sportster Nightster; 2007-2011 HARLEY DAVIDSON XL1200L Sportster Low; 2004-2010 HARLEY DAVIDSON XL883C Sportster Custom; 2005-2010 HARLEY DAVIDSON XL883L Sportster Low; 2007-2008 HARLEY DAVIDSON XL1200R Sportster Roadster; 2004-2008 HARLEY DAVIDSON XL883 Sportster; 2007 HARLEY DAVIDSON XL50 50th Anniversary Sportster; 2006-2007 HARLEY DAVIDSON XL883R Sportster Roadster