How often should I replace my K&N Drop in Air Filter?K&N drop in air filters are designed to be washable and reusable, lasting up to 50,000 miles before cleaning is needed.What is the horsepower gain from a K&N Drop in Air Filter?This K&N drop in air filter is engineered to provide a noticeable increase in horsepower for exhilarating acceleration.K&N Drop in Air Filters deliver sustained power and responsiveness, engineered to improve airflow and capture contaminants for the Street Performance use case. Their state-of-the-art design utilizes layered oiled cotton media to enhance engine performance. Experience a noticeable boost in horsepower with this essential Air Filters – Drop In upgrade.Key Featureswashable reusable High-Flow Air Filtersstate-of-the-art design of layered oiled cotton mediaengineered to improve airflow and capture contaminantsdesigned to provide an increase in horsepowerreusable engineered to last for the entire lifespan of your vehicledesigned to install easily into your factory air boxWhy Choose the KN Drop in Air FiltersDelivers sustained power and responsiveness with a filter that lasts.Achieves superior engine protection by trapping more dirt and debris.Provides a noticeable boost in horsepower for exhilarating acceleration.Transforms your driving experience with improved throttle response and airflow.Who Is This For?Street Performance 8/10Engineered to improve airflow and increase horsepower.Track / Autocross 8/10Designed to provide an increase in horsepower.Racing Competition 8/10High-flow design engineered to improve airflow.Engine Performance 9/10Improves airflow and designed for increased horsepower.Easy DIY Install 9/10Designed to install easily into your factory air box.Fuel Efficiency 6/10Improved airflow may contribute to better efficiency.Frequently Asked QuestionsWhat is a K&N drop in air filter for the Infiniti G37?A K&N drop-in air filter is a washable, reusable replacement designed to fit your Infiniti G37’s factory air box. Engineered with state-of-the-art oiled cotton media, it’s designed to improve airflow and capture contaminants. Confirm fitment for your specific G37 model to ensure optimal performance.How do I clean and maintain my K&N drop in air filter?Cleaning your K&N drop-in air filter involves a straightforward process using a K&N Recharger kit, restoring its high-flow capabilities. The maintenance level is rated as easy, ensuring your filter lasts for the entire lifespan of your vehicle. This makes maintenance simple and effective.What performance improvements can I expect from a K&N drop in air filter?Expect a noticeable boost in horsepower and improved throttle response with a K&N drop-in air filter. Rated at a usage score of 9 for Engine Performance, this filter improves airflow and is designed for increased horsepower. Drivers seeking enhanced engine performance will find this an excellent upgrade.How easy is it to install a K&N drop in air filter?Installation of a K&N drop-in air filter is designed to be very easy, utilizing a drop-in installation type. With a usage score of 9 for Easy DIY Install, it installs directly into your factory air box. This ensures a simple and quick upgrade process for your vehicle.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”:”E-1796″,”sku”:”KNNE-1796″,”gtin”:”024844029195″,”name”:”KN Drop in 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/fe7ea667f4e85d44c5325fc3e9c5599e.JPG”,”offers”:{“@type”:”Offer”,”price”:”104.99″,”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 – Drop In”,”description”:”Delivers sustained power and responsiveness with a filter that lasts. Achieves superior engine protection by trapping more dirt and debris. Designed to provide an increase in horsepower”,”isRelatedTo”:{“name”:”Air Filters – Drop In”,”@type”:”Thing”},”alternateName”:”K&N High-Flow Drop-In Air Filter Horsepower”,”additionalProperty”:[{“name”:”Feature”,”@type”:”PropertyValue”,”value”:”washable reusable High-Flow Air Filters”},{“name”:”Feature”,”@type”:”PropertyValue”,”value”:”state-of-the-art design of layered oiled cotton media”},{“name”:”Feature”,”@type”:”PropertyValue”,”value”:”engineered to improve airflow and capture contaminants”},{“name”:”Feature”,”@type”:”PropertyValue”,”value”:”designed to provide an incr