How often should I clean my K&N air filter?Clean your K&N drop-in air filter every 50,000 miles or if visual inspection shows it’s dirty, ensuring sustained peak engine performance.Will a K&N air filter void my car’s warranty?Installing a K&N drop-in air filter will not void your vehicle’s warranty when used as directed, enhancing engine performance.K&N Drop-in Air Filters for your Audi RS3/TT RS Quattro or Volkswagen Passat are engineered to provide an increase in horsepower, scoring a high 8 for Street Performance. Featuring state-of-the-art layered, oiled cotton media, these washable, reusable filters capture more contaminants. Experience superior engine protection and a noticeable boost in acceleration with this simple, high-flow 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 vehiclebacked by K&N’s 10-Year/Million Mile Limited WarrantyWhy Choose the KN Drop in Air FiltersDelivers sustained peak performance with a filter you can clean and reuse.Achieves superior engine protection by trapping more dirt and debris.Provides a noticeable boost in acceleration and throttle response.Transforms your engine’s breathing for a more exhilarating driving experience.Who Is This For?Street Performance 8/10Engineered to improve airflow and increase horsepower.Track / Autocross 8/10Improves airflow and designed for increased horsepower.Racing Competition 8/10Designed to provide an increase in horsepower.Engine Performance 9/10High-flow, oiled cotton media improves airflow.Easy DIY Install 10/10Drop-in install type, designed for easy replacement.Fuel Efficiency 6/10Improved airflow may contribute to better efficiency.Frequently Asked QuestionsWhat is a K&N drop-in air filter?A K&N drop-in air filter is a high-flow, washable, and reusable replacement air filter engineered to fit your vehicle’s factory airbox. It utilizes state-of-the-art layered, oiled cotton media to improve airflow and capture contaminants for superior engine protection. This filter is designed to last for the entire lifespan of your vehicle.How do I clean my K&N air filter?Cleaning your K&N drop-in air filter is a simple DIY process, allowing for easy maintenance. It involves using a K&N cleaning kit to restore the filter’s high-flow capabilities. This easy maintenance level ensures sustained peak performance without complex procedures.Will a K&N drop-in air filter improve my Audi RS3/TT RS Quattro or Volkswagen Passat’s performance?A K&N drop-in air filter is designed to provide an increase in horsepower, scoring a 9 for Engine Performance. Its high-flow, oiled cotton media transforms your engine’s breathing for a more exhilarating driving experience and noticeable boost in acceleration.What vehicles does the K&N drop-in air filter fit?The K&N drop-in air filter directly fits 2015-2026 Audi RS3/TT RS Quattro and Volkswagen Passat models. This precise fitment ensures seamless integration with your vehicle’s factory airbox. Confident installation is guaranteed with this drop-in replacement.Additional ResourcesOfficial K&N Engineering Product PageImportant 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”:”33-3036″,”sku”:”KNN33-3036″,”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”},”offers”:{“@type”:”Offer”,”price”:”68.99″,”seller”:{“url”:”https://www.motorsportmayhem.com”,”name”:”Motorsport Mayhem”,”@type”:”Organization”},”availability”:”https://schema.org/InStock”,”itemCondition”:”https://schema.org/NewCondition”,”priceCurrency”:”USD”,”priceValidUntil”:”2027-05-25″},”category”:”Air Filters – Drop In”,”description”:”Delivers sustained peak performance with a filter you can clean and reuse. 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 Drop In Air Filter Horsepower Gain”,”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 increase in horsepower”},{“name”:”Feature”,”@type”:”PropertyValue”,”value”:”reusable, engineered to last for the entire lifespan