Air Filters | High Airflow Engine | K&N (2024)

K&N® washable, reusable High-Flow Air Filters™ feature a state-of-the-art design of layered, oiled cotton media, engineered to provide exceptional engine protection and increase performance. Protect your engine with the filter that millions of drivers have trusted since 1969, from off-road to the on-ramp.

Universal Powersports Heavy Duty Industrial Marine Air Filter Cleaner

TOP QUALITY ENGINE PROTECTION & AIRFLOW

WASHABLE, REUSABLE, AND ENGINEERED TO LAST

K&N engine air filters are designed to be washable, reusable, and last for the life of your vehicle. The premium filter design incorporatesmultiple layers of proprietary cotton gauze media and a specially-engineered oil, originally designed for the demands of the racetrack, and now custom-engineered for your vehicle. Tested, proven, and trusted for over 50 years, millions of drivers rely on K&N air filters to help protect their engines from premature wear. Use our simple vehicle selector to view the filters compatible withyour year, make, and model.

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LIFETIME USE DESIGN

Unlike disposable filters which must be frequently replaced, K&N® High-Flow Air Filters™ are washable, reusable, and engineered to last for the life of your vehicle. Feel confident in your purchase with a "No-Hassle" Lifetime Limited Warranty.

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DESIGNED TO PERFORM

Originally designed for high-performance on the racetrack, now custom-designed for your vehicle make and model. K&N® air filters are tested on a SuperFlow flow bench to ensure increased airflow over a stock filter. View testing data for many K&N filters on individual product pages.

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HELPS PROTECT YOUR ENGINE

K&N’s state-of-the-art filter features thousands of microscopic cotton fibers, and an innovative design of layered, oiled cotton media helps to capture dirt and shield your engine from contaminants. Each filter design is tested in an ISO 5011 laboratory to ensure excellent filtration efficiency for outstanding engine protection.

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PROVEN IN EXTREMES

In the early 1960s, two dirt-track motorcycle racers came up with a revolutionary filtration idea, and the K&N oiled cotton filter was born. That same filter design has been tested and perfected over the past five decades, in everything from NASCAR race cars, top-fuel dragsters, and commuter vehicles. Millions of drivers continue to trust K&N's air filters for their proven performance and American-made quality.

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INSTALLS QUICKLY & EASILY

Engineered to fit easily into your factory air box as easily as any other air filter. Typically installs in less than five minutes with no tools necessary.

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REDUCES WASTE

Over 100 million disposable air filters and their packaging waste end up in landfills each year. Choosing a washable, reusable product that lasts for the lifespan of your vehicle helps to reduce unnecessary waste.

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FILTER CLEANING SUPPLIES

Use specially formulated filter cleaner to help restore your filter’s particle capturing capability quickly and easily.

TESTED, PROVEN, TRUSTED

Our exclusive design provides a large surface area for enhanced airflow and dust capacity, which helps protect an engine from harmful submicron particulates. K&N car air filter designs are tested in an ISO 5011 laboratory to ensure excellent filtration efficiency and outstanding engine protection. Shop with confidence with our "No-Hassle" Lifetime Limited Warranty.

The Original Oiled Filter Design

CUSTOM COTTON FILTER MEDIA

Four or six layers of pleated cotton filter media act as a physical barrier to contaminants, with pleats specifically engineered to provide a large capturing area.

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THE MAGIC SAUCE - RED 201 FILTER OIL

The original red filter oil is what separates K&N filters from the pack. The tacky oil helps trap—and hold—dirt and contaminants, keeping them in the filter and out of your engine.

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DURABLE URETHANE FRAME

Liquid urethane is custom-poured and cured for a guaranteed fit, and engineered to last for a million miles of use.

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EPOXY-COATED SCREEN MESH

Pleated mesh protects both sides of the cotton filter media and provides a sturdy structure for long-lasting durability.

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CNC-MACHINED ALUMINUM FILTER MOLDS

Designed using advanced software and precision-milled from billet aluminum for a repeatable level of premium quality.

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TRUSTED SINCE 1969

There’s a reason top racers trust K&N® to protect their trophy trucks in the Baja 1000, premium racecars in 24 Hours of Le Mans, million-dollar NASCAR engines, and high-horsepower dragsters: K&N® air filters let airflow in, and keep dirt out. Designed for the racetrack—made for your vehicle. Layered, oiled cotton media provides up to 50% more airflow than traditional paper air filters, which can provide an increase in horsepower. The durable filter frame and media is designed to last for the entire lifespan of your vehicle, and is protected by a 10-Year/Million Mile Limited Warranty.

“ABSOLUTELY LOVE IT, BIKE BREATHES SO MUCH BETTER. LESS LAG ON TAKEOFF. IT'S AMAZING, AND I DEFINITELY NOTICED THE HP GAIN WHEN I GET ON THE THROTTLE. MY BIKE WENT FROM AN ANIMAL TO A MONSTER. THANKS K&N!”

— TERRENCE FROM PENNSYLVANIA, K&N AIR FILTER

SHOP BY SPECIALTY FILTERS

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SHOP BY DIMENSION

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INDUSTRIAL/SMALL ENGINE FILTERS

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RACING AIR FILTERS

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CRANKCASE VENT AIR/BREATHER FILTERS

OUR STORY

WHY K&N?

K&N is the home of the original red oiled air filter. In the early 1960s, two motorcycle racers, Ken Johnson and Norm McDonald (K&N), developed a ground-breaking new idea for an oiled air filter. Five decades later, K&N® is still innovating industry-leading filtration technology, and offers outstanding protection for everything from top-fuel dragsters to commuter vehicles across the globe. Thank you for helping us reach 50 years in business!


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Air Filters | High Airflow Engine | K&N (2024)

FAQs

Do high flow air filters make a difference? ›

Yes, high-performance air filters make a significant difference in your vehicle's performance by increasing torque and horsepower. One test concluded a high-performance air filter increased horsepower by 2.6% and torque by 3.7%.

Will a high flow air filter increase horsepower? ›

And if your engine is getting more air, then it can perform better. In fact, a high flow air filter can actually increase your horsepower by about 3 to 5 HP and increase your torque as well. At the same time, this can lead to increased fuel efficiency.

Do better air filters restrict airflow? ›

MERV ratings might lead you to believe that high efficiency air filters are the way to go. However, they can work so well sometimes that they cause your HVAC system to be less efficient because they block too much airflow. This leads to higher energy bills and could damage your furnace if it overheats.

What is the effect of high flow air filter? ›

As a High Flow Air Filter allows more air to enter the engine intake system in a time period compared to your regular filters, the fuel gets more air to burn. It results in a better combustion process that leads to actually increase the maximum power as well as peak torque output of your bike.

Does K&N really add horsepower? ›

Do K&N Intakes Increase Power? K&N intakes typically add an average of 15-25 additional horsepower over a stock system. Because vehicle makes, models, and engine sizes vary widely, along with vehicle condition, power gains also vary across applications and individual vehicles.

Is K&N high flow air filter worth it? ›

Cheaper Isn't Always Better - Get More Airflow with K&N

K&N filters offer exceptional airflow to your engine - and more airflow often translates to more efficient fuel burn. Disposable filters aren't typically designed with the performance enthusiast in mind; they are designed to be simple, cheap, and functional.

Are higher end air filters worth it? ›

More expensive air filters such as Pleated Residential filters will filter out dust mites, pollen, pet dander, mold, and even bacteria, which can be worth the extra money, especially for those with severe allergies.

Is a MERV 11 filter too restrictive? ›

The MERV 11 air filter is the wrong choice for people who do not own pets and do not have any breathing trouble; this is because it can lead to restricted airflow. Air filters with higher ratings can also have negative effects on HVAC components.

What is the most effective type of air filter? ›

1. HEPA Filters. High-efficiency particulate air (HEPA) filters are recommended by the U.S. Department of Health because they are able to remove at least 99.97% of airborne allergens and pollutants — including mold spores and dust that are as small as 0.3 microns.

How much horsepower does a high flow intake add? ›

What's the Typical HP Increase from Installing a Cold Air Intake? A cold air intake can typically improve your ride's performance by 5 to 20 horsepower (hp). Remember that this is only an estimate.

Will a high flow air filter increase gas mileage? ›

The high-performance air filter not only improves your engine's horsepower, but it also boosts fuel economy. The reason for this? High Performance Filters pull cool outside air into the bay where most cars' heaters send their hot fumes down towards you!

What is a high flow engine air filter? ›

HIGHFLOW® air filters maximize the flow of clean air to the engine for optimal performance. Provides up to 50% more air volume than standard paper filters when your engine is under load and accelerating, and with HIGHFLOW's robust protection against dangerous particles.

Do K&N air filters let more dirt in? ›

K&N® filters are designed to provide exceptional airflow while simultaneously targeting an overall filtration efficiency that meets or exceeds OEM standards. - DOES INCREASED AIRFLOW MEAN THAT MORE DIRT WILL GET THROUGH THE FILTER? No.

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