What is the main benefit of a K&N Drop-In Air Filter?K&N Drop-In Air Filters deliver a noticeable boost in horsepower for exhilarating acceleration and superior engine protection.How often do I need to replace my K&N Drop-In Air Filter?Washable, reusable K&N Drop-In Air Filters are engineered to last for the entire lifespan of your vehicle.K&N Drop-In Air Filters are designed to provide an increase in horsepower, scoring a 9 for Engine Performance. Engineered with state-of-the-art layered, oiled cotton media, these filters improve airflow and capture contaminants. Experience confidence in enhanced engine performance and longevity with this premium Air Filter – Drop In.Key Featureswashable, reusable High-Flow Air Filtersstate-of-the-art design of layered, oiled cotton media engineered 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 Warrantydrop-in replacement filters are designed to install easily into your factory air boxWhy Choose the KN Drop in Air FiltersDelivers a noticeable boost in horsepower for exhilarating acceleration.Achieves superior engine protection by trapping harmful contaminants effectively.Provides a cleaner, more efficient engine for optimal performance and longevity.Transforms your driving experience with enhanced throttle response and power.Who Is This For?Street Performance 8/10Engineered to improve airflow and increase horsepower.Track / Autocross 7/10Improved airflow and horsepower can benefit performance.Drag Racing 7/10Horsepower increase is beneficial for acceleration.Engine Performance 9/10Designed to improve airflow and increase horsepower.Easy DIY Install 9/10Drop-in replacement installs easily into factory air box.Fuel Efficiency 6/10Improved airflow may contribute to better efficiency.Frequently Asked QuestionsWhat is a K&N drop-in air filter?K&N drop-in air filters are washable, reusable high-flow air filters engineered to improve engine airflow and capture contaminants. They are designed as a direct replacement for your vehicle’s stock air filter, offering an easy upgrade.How do I clean a K&N drop-in air filter?Cleaning a K&N drop-in air filter involves using a K&N Recharger Kit to wash and re-oil the filter media. This maintenance allows the filter to be reused for the entire lifespan of your vehicle, simplifying upkeep.Will a K&N drop-in air filter increase horsepower in my Chevrolet Equinox or GMC Terrain?A K&N drop-in air filter is designed to provide an increase in horsepower, scoring a 9 for Engine Performance. This upgrade delivers a noticeable boost in horsepower for exhilarating acceleration in street performance applications.How easy is it to install a K&N drop-in air filter?Installation of a K&N drop-in air filter is an easy DIY process, scoring a 9 for Easy DIY Install. It is designed as a drop-in replacement that installs easily into your factory air box for a straightforward upgrade.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”:”33-2439″,”sku”:”KNN33-2439″,”gtin”:”024844267603″,”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”:””,”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 – Drop In”,”description”:”Delivers a noticeable boost in horsepower for exhilarating acceleration. Achieves superior engine protection by trapping harmful contaminants effectively. 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 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 of your vehicle”},{“name”:”Feature”,”@type”:”PropertyValue”,”value”:”backed by K&N’s 10-Year/Million Mile Limited Warranty”},{“name”:”Feature”,”@type”:”PropertyValue”,”value”:”dro