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K&N Intake System for Harley-Davidson XL Cycles Has Estimated Boost of 4.33 HP
K&N Intake System for Harley-Davidson XL Cycles Has Estimated Boost of 4.33 HP
Jan 26, 2017
The K&N RK-3944 intake system is designed for XL-Series Harley-Davidson motorcycles.
The Harley-Davidson Sportster motorcycle, which is designated “XL,” was first introduced in 1957 and continues to be manufactured today.
The K&N RK-3944 intake system is designed for these Harley Davidson models. The system offers an estimated horsepower improvement of 4.33 horsepower at 5596 rpm and also improves torque and airflow. The product is engineered to replace the factory air cleaner. It features a K&N HD-0800 replacement air filter that is washable and reusable. The filter features a multilayered cotton gauze media that has been treated with a special grade of filter oil that makes the strands so sticky they catch and hold particles.
K&N is so sure of the quality of the air filter, it backs it with a 10-year/Million Mile Limited Warranty®, which asserts that the filter will last up to 10 years or 1,000,000 miles without requiring replacement.
The intake system features an aluminum integrated, internal-run breather and a custom aluminum backing plate that mounts directly to the motorcycle’s throttle body. The product comes with mounting hardware and is easily installed with common hand tools.
The K&N RK-3944 intake system is designed to replace the factory air cleaner.
The K&N RK-3944 intake system is designed to fit the following vehicles:
2014 HARLEY DAVIDSON XL883N IRON 54 CI - All Models 2014 HARLEY DAVIDSON XL883L SUPERLOW 54 CI - All Models 2013 HARLEY DAVIDSON XL883N IRON 54 CI - All Models 2013 HARLEY DAVIDSON XL883L SUPERLOW 54 CI - All Models 2013 HARLEY DAVIDSON XL1200X FORTY-EIGHT 74 CI - All Models 2013 HARLEY DAVIDSON XL1200V SEVENTY-TWO 74 CI - All Models 2013 HARLEY DAVIDSON XL1200C SPORTSTER CUSTOM 74 CI - All Models 2012 HARLEY DAVIDSON XL883N IRON 54 CI - All Models 2012 HARLEY DAVIDSON XL883L SUPERLOW 54 CI - All Models 2012 HARLEY DAVIDSON XL1200X FORTY-EIGHT 74 CI - All Models 2012 HARLEY DAVIDSON XL1200V SEVENTY-TWO 74 CI - All Models 2012 HARLEY DAVIDSON XL1200N SPORTSTER NIGHTSTER 74 CI - All Models 2012 HARLEY DAVIDSON XL1200C SPORTSTER CUSTOM 74 CI - All Models 2011 HARLEY DAVIDSON XL883N IRON 54 CI - All Models 2011 HARLEY DAVIDSON XL883L SUPERLOW 54 CI - All Models 2011 HARLEY DAVIDSON XL1200X FORTY-EIGHT 74 CI - All Models 2011 HARLEY DAVIDSON XL1200N SPORTSTER NIGHTSTER 74 CI - All Models 2011 HARLEY DAVIDSON XL1200L SPORTSTER LOW 74 CI - All Models 2011 HARLEY DAVIDSON XL1200C SPORTSTER CUSTOM 74 CI - All Models 2010 HARLEY DAVIDSON XL883N IRON 54 CI - All Models 2010 HARLEY DAVIDSON XL883L SPORTSTER LOW 54 CI - All Models 2010 HARLEY DAVIDSON XL1200X FORTY-EIGHT 74 CI - All Models 2010 HARLEY DAVIDSON XL1200N SPORTSTER NIGHTSTER 74 CI - All Models 2010 HARLEY DAVIDSON XL1200L SPORTSTER LOW 74 CI - All Models 2010 HARLEY DAVIDSON XL1200C SPORTSTER CUSTOM 74 CI - All Models 2009 HARLEY DAVIDSON XL883N IRON 54 CI - All Models 2009 HARLEY DAVIDSON XL883L SPORTSTER LOW 54 CI - All Models 2009 HARLEY DAVIDSON XL883C SPORTSTER CUSTOM 54 CI - All Models 2009 HARLEY DAVIDSON XL1200N SPORTSTER NIGHTSTER 74 CI - All Models 2009 HARLEY DAVIDSON XL1200L SPORTSTER LOW 74 CI - All Models 2009 HARLEY DAVIDSON XL1200C SPORTSTER CUSTOM 74 CI - All Models 2008 HARLEY DAVIDSON XL883L SPORTSTER LOW 54 CI - All Models 2008 HARLEY DAVIDSON XL883C SPORTSTER CUSTOM 54 CI - All Models 2008 HARLEY DAVIDSON XL883 SPORTSTER 54 CI - All Models 2008 HARLEY DAVIDSON XL1200R SPORTSTER ROADSTER 74 CI - All Models 2008 HARLEY DAVIDSON XL1200N SPORTSTER NIGHTSTER 74 CI - All Models 2008 HARLEY DAVIDSON XL1200L SPORTSTER LOW 74 CI - All Models 2008 HARLEY DAVIDSON XL1200C SPORTSTER CUSTOM 74 CI - All Models 2007 HARLEY DAVIDSON XL883R SPORTSTER 54 CI - All Models 2007 HARLEY DAVIDSON XL883L SPORTSTER LOW 54 CI - All Models 2007 HARLEY DAVIDSON XL883C SPORTSTER CUSTOM 54 CI - All Models 2007 HARLEY DAVIDSON XL883 SPORTSTER 54 CI - All Models 2007 HARLEY DAVIDSON XL1200R SPORTSTER ROADSTER 74 CI - All Models 2007 HARLEY DAVIDSON XL1200N SPORTSTER NIGHTSTER 74 CI - All Models 2007 HARLEY DAVIDSON XL1200L SPORTSTER LOW 74 CI - All Models 2007 HARLEY DAVIDSON XL1200C SPORTSTER CUSTOM 74 CI - All Models 2006 HARLEY DAVIDSON XL883R SPORTSTER 54 CI - All Models 2006 HARLEY DAVIDSON XL883L SPORTSTER LOW 54 CI - All Models 2006 HARLEY DAVIDSON XL883C SPORTSTER CUSTOM 54 CI - All Models 2006 HARLEY DAVIDSON XL883 SPORTSTER 54 CI - All Models 2006 HARLEY DAVIDSON XL1200R SPORTSTER ROADSTER 74 CI - All Models 2006 HARLEY DAVIDSON XL1200C SPORTSTER CUSTOM 74 CI - All Models 2005 HARLEY DAVIDSON XL883L SPORTSTER LOW 54 CI - All Models 2005 HARLEY DAVIDSON XL883C SPORTSTER CUSTOM 54 CI - All Models 2005 HARLEY DAVIDSON XL1200R SPORTSTER ROADSTER 74 CI - All Models 2005 HARLEY DAVIDSON XL1200C SPORTSTER CUSTOM 74 CI - All Models 2004 HARLEY DAVIDSON XL883C SPORTSTER CUSTOM 54 CI - All Models 2004 HARLEY DAVIDSON XL883 SPORTSTER 54 CI - All Models 2004 HARLEY DAVIDSON XL1200R SPORTSTER ROADSTER 74 CI - All Models 2004 HARLEY DAVIDSON XL1200C SPORTSTER CUSTOM 74 CI - All Models
