How do I install a K&N drop-in air filter?Installing a K&N drop-in air filter is a simple DIY process, requiring no special tools and fitting directly into your vehicle’s factory airbox.Will a K&N drop-in air filter increase my horsepower?K&N drop-in air filters are engineered to improve airflow, designed to provide a noticeable increase in horsepower and acceleration.K&N Drop-in Air Filters deliver exceptional engine performance for your 2007-2024 INFINITI FX35/FX37/FX50 and compatible Nissan models, achieving a top usage score of 10 for Easy DIY Install. Their state-of-the-art, washable, oiled cotton media captures more contaminants for superior engine protection. Trust K&N for a confident performance 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 vehicleK&N’s 10-Year/Million Mile Limited WarrantyWhy Choose the KN Drop in Air FiltersDelivers sustained peak performance with a filter that cleans and reuses.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 drive.Who Is This For?Street Performance 8/10Engineered to improve airflow and increase horsepower.Track / Autocross 8/10Designed for improved airflow and potential horsepower increase.Racing Competition 8/10High-flow design engineered for performance gains.Engine Performance 9/10Improves airflow and designed for horsepower increase.Easy DIY Install 10/10Drop-in install type, simple replacement.Fuel Efficiency 7/10Improved airflow can contribute to better efficiency.Frequently Asked QuestionsWill a K&N Drop-in Air Filter fit my 2018 Nissan Rogue?K&N Drop-in Air Filters are engineered for a precise fit on select vehicles. This filter is confirmed to fit your 2018 Nissan Rogue, along with the INFINITI FX35/FX37/FX50 and other compatible Nissan models. Ensuring proper fitment guarantees optimal performance and protection for your engine.How difficult is it to install a K&N Drop-in Air Filter?Installing a K&N Drop-in Air Filter is a straightforward process designed for easy DIY upgrades. The drop-in install type means it directly replaces your stock air filter without requiring modifications. This makes upgrading your vehicle’s engine performance accessible for most owners.What performance improvements can I expect from a K&N Drop-in Air Filter?Expect enhanced engine performance with a K&N Drop-in Air Filter, scoring a 9 for Engine Performance usage. Its high-flow design is engineered to improve airflow, leading to potential horsepower increases and a more responsive throttle. Transform your engine’s breathing for a more exhilarating driving experience.Is upgrading to a K&N Drop-in Air Filter from the stock filter worthwhile?Upgrading to a K&N Drop-in Air Filter is a valuable enhancement due to its washable and reusable high-flow design. Unlike disposable OEM filters, this advanced layered, oiled cotton media engineered to last the entire lifespan of your vehicle, offering sustained peak performance and superior engine protection over time.How long do K&N drop-in air filters last?K&N drop-in air filters are engineered to last for the entire lifespan of your vehicle. Their washable and reusable high-flow cotton gauze media can be cleaned and re-oiled, delivering sustained peak performance without the need for frequent replacements. This means a long-term, cost-effective performance 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”:”33-2409″,”sku”:”KNN33-2409″,”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”:”2027-05-23″},”category”:”Air Filters – Drop In”,”description”:”Delivers sustained peak performance with a filter that cleans and reuses. 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”:”