THE WORLD’S BEST AIR FILTER™ FOR OVER 50 YEARS.

For over 50 years, K&N® has been a leader in automotive filtration and technology, providing products that enhance performance, protection, and longevity for a wide range of vehicles worldwide.

All K&N products undergo rigorous testing to meet high-quality standards and come backed by some of the most extensive warranties in the aftermarket industry.

Beyond air filters, K&N® offers a variety of performance and protection products, including air intake systems, oil filters, fuel filters, cabin air filters, and home air filters. With a strong reputation for quality and customer service, K&N has earned the trust of millions of customers over the years.

K&N Replacement Air Filter (33-3103)

DIRECT REPLACEMENT FILTERS.

K&N engine air filters are washable, reusable, and built to last the lifetime of your vehicle. Featuring a premium design with multiple layers of proprietary cotton gauze media and a specially engineered oil, these filters were originally developed for the racetrack and are now optimized for everyday driving.

  • TOUGH FOR A LIFETIME

    Unlike disposable filters that need frequent replacement, K&N® High-Flow Air Filters™ are washable, reusable, and designed to last the lifetime of your vehicle. With a “No-Hassle” Lifetime Limited Warranty, you can feel confident in your purchase, knowing your filter is built to provide long-lasting performance and protection.

  • ENGINEERED FOR PERFORMANCE

    Originally developed for high-performance racing, K&N® air filters are now custom-designed for your specific vehicle make and model. Each filter is rigorously tested on a SuperFlow flow bench to ensure superior airflow compared to stock filters, enhancing your vehicle's performance.

  • PROTECTS YOUR ENGINE

    K&N’s advanced filter design features thousands of microscopic cotton fibers and a unique layered, oiled cotton media that effectively captures dirt and protects your engine from contaminants. Each filter is tested in an ISO 5011 laboratory to ensure exceptional filtration efficiency, providing outstanding engine protection.

  • PROVEN ON THE TRACK

    K&N’s performance cotton filter design has been refined over the past five decades, tested in everything from NASCAR race cars and top-fuel dragsters to everyday commuter vehicles. Millions of drivers trust K&N air filters for their proven performance, durability, and American-made quality.

  • INSTALLS QUICKLY & EASILY

    Engineered for a perfect fit, K&N air filters easily install into your factory air box, just like any standard air filter. Most installations take less than five minutes and require no tools.

  • REDUCES WASTE

    Each year, over 100 million disposable air filters and their packaging end up in landfills. By choosing a washable, reusable filter that lasts the lifespan of your vehicle, you can help reduce unnecessary waste and make an environmentally conscious choice.
K&N Performance Air Intake System (69-9509TTK)

Performance Intake Systems.

K&N cold air intakes are guaranteed to increase horsepower and torque, and are custom-designed for specific makes, models, and years to ensure a precise fit and easy installation. Each system undergoes rigorous in-house testing to meet high-performance standards. Whether you’re looking for improved airflow for a performance engine, a power boost for your daily driver, or a top-quality bolt-on upgrade for a custom project, K&N has the perfect solution.

  • ADD POWER & TORQUE

    K&N intake kits are guaranteed to increase your vehicle's horsepower and torque. Each kit undergoes rigorous in-house testing to ensure it meets high-performance standards. Published dynamometer charts are available on product pages to help estimate performance gains.

  • MORE ENGINE GROWL ON ACCELERATION

    Experience a satisfying engine growl on acceleration that quiets down once you're at speed. Whether you need a K&N performance air intake system for your car, truck, RV, heavy-duty truck, or performance sports car, K&N has the perfect air intake kit to meet your specific needs.

  • CHOOSE ORIGINAL COTTON OR DRYFLOW®

    Many K&N intake kits now offer both dry synthetic and oiled cotton filter options. Choose the convenience of a K&N Dryflow intake kit with an oil-free filter for easy maintenance, or opt for the high-flow oiled cotton filter that has been trusted by millions of consumers. Both options are proudly made in the USA for exceptional quality and reliability.

  • INSTALL IN LESS THAN AN HOUR

    K&N air intakes can be installed in less than an hour and come with detailed, step-by-step instructions to ensure a smooth and correct installation the first time.

  • SIMPLE MAINTENANCE

    If your kit includes an oiled filter, it only needs cleaning every 100,000 miles under normal highway driving conditions (compared to 15,000-20,000 miles for a disposable filter). A K&N Dryflow filter can go up to 50,000 miles before needing cleaning.

CABIN FILTERS.

The cabin air filter in your car plays a vital role in ensuring a healthy environment for you, your family, pets, and other occupants by filtering incoming air. K&N’s pre-treated cabin filters use state-of-the-art filtration technology to protect the interior and HVAC system from pollutants and unpleasant odors.

Designed to be washable, reusable, and durable, K&N cabin filters are built to last the entire lifespan of your vehicle. Unlike disposable filters, they can be easily cleaned with low-pressure water, ensuring long-term performance and protection.

OIL FILTERS.

Protect your engine with premium K&N® oil filters, designed to capture contaminants from your engine oil. Engineered to the same rigorous standards as K&N’s world-famous air filters, these oil filters feature durable construction, high-flow filter media, and superior filtration to ensure optimal oil flow and engine protection.

K&N’s focus on performance, durability, and environmental responsibility has made it a leading brand in the aftermarket automotive parts industry.

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