What is the primary function of a K&N motorcycle direct fit air filter?K&N motorcycle direct fit air filters function to improve airflow and enhance engine protection through their custom-engineered pleated cotton media.How long can I expect my K&N motorcycle direct fit air filter to last before needing to be replaced?Achieving low restriction and high capacity, these direct fit air filters offer long service intervals, maximizing your engine’s performance and health.K&N Motorcycle Direct Fit Air Filters are custom engineered for your specific application, boasting a 9/10 score for Street Performance and Engine Performance. Featuring pleated cotton media for low restriction and high-capacity filtration, these drop-in filters deliver a noticeable surge in horsepower and torque for exhilarating acceleration.Key Featurescustom engineered to fit your specific applicationlow restriction and increased performanceexcellent engine protectionPleated cotton media provides a large filtration area offering low restriction, high-capacity and long service intervalsMultiple layers of woven cotton gauze media offers excellent filtrationDesigned to provide increased horsepower and torqueWhy Choose the KN Motorcycle Direct Fit Air FiltersAchieves a perfect fit for your Harley-Davidson, ensuring optimal airflow and engine health.Delivers a noticeable surge in horsepower and torque for exhilarating acceleration.Provides superior engine protection, safeguarding your investment from harmful contaminants.Transforms your ride with a large filtration area for extended service and consistent power.Who Is This For?Street Performance 9/10Low restriction, increased horsepower and torque.Engine Performance 9/10Low restriction, increased horsepower and torque.Racing Competition 8/10Designed for increased horsepower and torque.Easy DIY Install 10/10Direct fit, drop-in installation type.Track / Autocross 8/10Low restriction, increased performance.Frequently Asked QuestionsWill K&N Motorcycle Direct Fit Air Filters fit my 2012 Harley-Davidson Road King?K&N Motorcycle Direct Fit Air Filters are custom engineered to precisely fit your specific motorcycle. This filter is confirmed to fit 2008-2013 Harley-Davidson FLHR Road King models, ensuring optimal engine airflow and protection.How difficult is it to install a K&N Motorcycle Direct Fit Air Filter?Installation of a K&N Motorcycle Direct Fit Air Filter is a straightforward process. Designed as a direct fit, drop-in replacement, it allows for an easy DIY installation without specialized tools.Can K&N Motorcycle Direct Fit Air Filters improve my Harley’s performance?K&N Motorcycle Direct Fit Air Filters deliver increased horsepower and torque, contributing to a superior ‘Street Performance’ experience with a score of 9. Enjoy a noticeable surge in power for exhilarating acceleration.Is upgrading from a stock air filter to a K&N worthwhile for my Harley-Davidson Road King?Upgrading from a stock air filter to a K&N offers significant benefits in engine protection and performance. Its pleated cotton gauze media provides a larger filtration area and lower restriction, enhancing engine efficiency compared to standard paper filters.What are the maintenance requirements for K&N Motorcycle Direct Fit Air Filters?K&N Motorcycle Direct Fit Air Filters offer an easy maintenance level, designed for extended service intervals. The layered cotton gauze media provides a large filtration area, reducing the frequency of cleaning and ensuring consistent power.Additional ResourcesOfficial K&N Engineering Product PageInstallation Guide (PDF)Important Notices Proposition 65 Warning: This product can expose you to chemicals including lead and/or other substances known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.{“@graph”:[{“mpn”:”HD-1508″,”sku”:”KNNHD-1508″,”gtin”:”024844199270″,”name”:”KN Motorcycle Direct Fit Air Filters”,”@type”:”Product”,”brand”:{“url”:”https://www.knfilters.com”,”name”:”K&N Engineering”,”@type”:”Brand”,”sameAs”:”https://en.wikipedia.org/wiki/K&N_Engineering”},”image”:”https://d32vzsop7y1h3k.cloudfront.net/c656e2848137eb326a8e9609f3538378.JPG”,”offers”:{“@type”:”Offer”,”price”:”83.99″,”seller”:{“url”:”https://www.motorsportmayhem.com”,”name”:”Motorsport Mayhem”,”@type”:”Organization”},”availability”:”https://schema.org/InStock”,”itemCondition”:”https://schema.org/NewCondition”,”priceCurrency”:”USD”,”priceValidUntil”:”2027-05-27″},”category”:”Air Filters – Direct Fit”,”description”:”Achieves a perfect fit for your Harley-Davidson, ensuring optimal airflow and engine health. Delivers a noticeable surge in horsepower and torque for exhilarating acceleration. Designed to provide increased horsepower and torque”,”isRelatedTo”:{“name”:”Air Filters – Direct Fit”,”@type”:”Thing”},”alternateName”:”K&N Motorcycle Air Filters Max Airflow”,”additionalProperty”:[{“name”:”Feature”,”@type”:”Propert