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

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%.

What are the disadvantages of a high flow air filter? ›

One problem that has been noted is that because of the increased air intake, high performance filters can actually expose your engine to more debris and contaminants. It can also increase the amount of dirt and dust in your oil and put more wear on the internal elements.

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.

Does more airflow increase horsepower? ›

The more oxygen (air) that flows into the engine, the more fuel that can be burned, and the more power the engine can make. To say it another way, assuming you mix the correct amount of fuel with the air, how much power an engine can make is dependent on airflow.

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.

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. How much installing a cold air intake will affect your engine's output will vary from model to model.

Are higher end air filters worth it? ›

This can lead to poor indoor air quality and increased health risks. Expensive air filters are made from higher-quality materials, last longer, are more efficient at trapping particles, and have a larger surface area to filter. This can lead to better indoor air quality and improved health.

How do I know if my air filter is too restrictive? ›

The higher the pressure drop the more restrictive the filter is to air flow. The lower the pressure drop the easier it is for air to flow through the filter. This is important to consider when choosing a filter for your application and your HVAC unit.

Can an air filter be too strong? ›

MERV ratings go from 1 to 20, although for a home you won't have to think about anything higher than 16 at most. The reason for this is that a stronger filter puts more resistance against airflow, so a MERV rating that's too high will prevent air from circulating through the HVAC system and can end up damaging it.

Does removing air filter improve performance? ›

Replacing a clogged air filter can increase fuel efficiency and improve acceleration, depending on your car make and model. When you realise that, it makes sense to regularly replace your air filters.

How does a very restricted air filter affect engine efficiency? ›

The engine is unable to pull in enough outside air for efficient combustion due to a clogged air filter. The engine then has to work harder and burn more fuel to provide the same amount of performance.

How does the air filter affect engine performance? ›

If potent fuel smells and dark exhaust are coming from the engine, then it's likely that the air filter is experiencing issues and needs to be replaced. Check for decreases in horsepower. A dirty engine air filter will often lead to a decrease in power and effectiveness of the equipment.

What is the difference between standard and high flow air filter? ›

High-performance filters, like K&N and BMC, provide more air flow and better filtration. This can increase your engine's power and efficiency, giving you better performance. On the other hand, regular air filters are better at catching dirt to protect your engine.

Does a K&N air filter really make a difference? ›

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.

Do expensive car air filters make a difference? ›

A high-quality filter will ensure better airflow, engine performance, and fuel economy — so it's worth investing in a reliable one! Air filters are an integral part of your vehicle's maintenance routine, as they trap dirt and grime that would otherwise damage the engine over time.

Does a better air filter improve performance? ›

Simply replacing your engine air filter can increase horsepower and, in some cases, even improve mileage. So, we would advise changing your engine filter at least once a year or what is recommended in your vehicle owner's manual. It is always best to follow the recommendations of the vehicle manufacturer.

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