K&N Air Filters

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Features

  • K&N air filters are designed for your specific year, make and model
  • The virtually unrestricted air flow increases horsepower and acceleration while filtering out harmful particles
  • The K&N filter improves fuel economy saving you money at the pump
  • The washable and reusable pleated and oiled cotton gauze filtration medium runs up to 50,000 miles between cleanings
  • K&N filters are 50-state legal and will not void your vehicle warranty
  • Environmentally friendly, K&N air filters are reusable and reduce the volume of disposable air filters that litter land fills
  • Your K&N Filter is backed by 10-year / 1,000,000 Mile Warranty

Description

For more than 30 years, K&N Filters have been the choice in engine filtration. The K&N filter delivers virtually unrestricted flow letting your engine run stronger, cleaner and with greater fuel efficiency.

The secret of the K&N filter is its filter medium. Four to six sheets of pleated and oiled cotton-gauze are layered between two sheets of aluminum wire mesh. This proven design stops dirt, dust and other harmful particles like no other filter, all while clean, power-enhancing air flows freely to your engine.

Just give it a simple cleaning every 50,000 miles and your K&N filter will last for the life of your vehicle. With no costly changes and services, your K&N filter will save you money. And, you'll be helping the environment by reducing the number of disposable air filters that end up in landfills.

Get increased power and acceleration, better fuel economy from a filter that lasts for 1,000,000 miles-get a K&N.

Average Customer Rating

  (8234)
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Good value, great quality

Posted on 02/03/2009 by Klemen S. - 2005 Subaru Impreza WRX (Everett ,MA )

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"At $48, The K&N filter for the 2005 legacy GT costs $20 more than the regular replacement filter yet is of much better quality. Given that they can be washed, this filter is also a great value in the long run. Although it is a bit too soon to determine if it will save on gas or improve performance, the initial impression of 200 miles suggests a 1mpg improvement. The mpg gain notwhitstanding over the life of the car this filter will pay for itself many times over."

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About Klemen S.
Vehicle
2005 Subaru Impreza WRX
 
Excellent Performance and Durability

Posted on 02/03/2009 by David S. - 2009 Subaru Forester (Chesterbrook,PA)

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Ease of Installation
Price/Value
Quality

"I have K&N lifetime air filters in all of my vehicles. It has helped improve my gas mileage. I save money because I don't have to pay for replacement filters and the associated labor at the dealers. It is much easier to just buy one filter for the life of the car and clean it every 40K or so."

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About David S.
Vehicle
2009 Subaru Forester
I use my vehicle for
Commuting
 
Long time user of K&N filters

Posted on 02/02/2009 by Richard P. (Vancouver,WA)

0 of 2 people found the following review helpful.

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Ease of Installation
Price/Value
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"I have used a K&N filter on my wife's RX 330 for 5 years - not a hot rod but better mileage and more responsive performance - same with the new on her new RX 350. Used a pair of filters on my C6 Corvette and what a difference along with Coursa exhaust and new air flow meter. Replaced the stock filter system with a K&N filter system and got even more kick. Overall a great way to more performance and mileage, if you can keep your foot out of it. Easy to clean - once on the Vette after 50k and the RX 330 when it hit 60k. The K&N costs the same as a stock Lexus paper filter or pair of GM filters for the Vette - no brainer!"

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About Richard P.
I use my vehicle for
my wife's auto
 
Pricey

Posted on 02/01/2009 by Dan D. (Midland,TX)

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Price/Value
Quality

"I think they are the best filter on the market. I would use them on all my engines buy to pricey"

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About Dan D.
I use my vehicle for
Cobra fun fun fun
 
Initial Results Pleasing

Posted on 01/31/2009 by James T. - 2005 Chevy Trailblazer (Jackson,GA)

1 of 1 people found the following review helpful.

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Price/Value
Quality

"Installed this filter in my wife's SUV last week. Engine definitely has more 'pep'; the jury is still out on MPG improvement. Pleased with my purchase at this point. (I want her to give me one for my birthday.)"

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About James T.
Vehicle
2005 Chevy Trailblazer
I use my vehicle for
She commutes @ 40 miles a day in this SUV.
 
KN air filter

Posted on 01/31/2009 by Adam R. - 2008 Honda Fit (Cottage Grove,OR)

1 of 1 people found the following review helpful.

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Quality

"Works great, I love the fact that it's a lifetime filter. No need to trash a bunch of used filters. To early to tell, but may have increased gas mileage also."

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About Adam R.
Vehicle
2008 Honda Fit
I use my vehicle for
work and play
 
Gas saver

Posted on 01/31/2009 by Larry E. - 2005 Lincoln Navigator (Boynton Beach,FL)

1 of 1 people found the following review helpful.

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Quality

"I picked up about 2 miles to the gallon on my Lincoln Navigator"

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About Larry E.
Vehicle
2005 Lincoln Navigator
I use my vehicle for
pleasure driving
 
High quality, high performance K&N

Posted on 01/30/2009 by Neal M. - 1998 BMW 5-Series (Altamonte Springs,FL)

1 of 1 people found the following review helpful.

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Quality

"I installed a panel-type K&N in my BMW 540i. Installation was straightforward- the filter fit perfectly. I did not notice a significant increase in performance (since the BMW has a decent intake design), but the filter quality and longetivity will be a benefit."

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About Neal M.
Vehicle
1998 BMW 5-Series
I use my vehicle for
commuting- 250 miles per week.
 
how CAN YOU GO WRONG ??

Posted on 01/30/2009 by Edgar R. - 2009 Toyota Corolla (Miami Gardens,FL)

2 of 2 people found the following review helpful.

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"THE ONE AND ONLY FILTER YOU'LL EVER NEED.ENGINES IDLES SMOOTHER,GOOD FUEL ECONOMY"

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About Edgar R.
Vehicle
2009 Toyota Corolla
I use my vehicle for
WORK-----LOTTA HIGHWAY MIELAGE
 
k&n drop in air filter for 03 acura cl #33-2178

Posted on 01/30/2009 by Jason W. - 1997 Ford Expedition (Danville,CA)

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Quality

"Just put it in a few days ago and the vehicle seems to have a little bit better throttle response. As far as mileage goes, I'm not sure because I didn't do a MPG eval, but I suspect it will be the same or slightly better. I have used K&N air filters for all of my cars and have always been very pleased. Too bad they don't include the recharge kit with the filters anymore."

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About Jason W.
Vehicle
1997 Ford Expedition
I use my vehicle for
family travel and activities requiring the space or 4wd
 
Excellent Product

Posted on 01/30/2009 by Frank W. (Mission,TX)

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Price/Value
Quality

"Noticed an immediate improvement in proformance. Have not compared MPG since I installed this filter, however, the proformance improvement alone makes me believe the MPG will increase"

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About Frank W.
I use my vehicle for
family activities
 
K&N Air Filter Pays for Itself

Posted on 01/29/2009 by Everett L. - 2006 Toyota Highlander (Reno,NV)

3 of 3 people found the following review helpful.

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Quality

"I have had the K&N Air Filter on my A4 Audi for some time and there is no question on the value. My mileage went up enough to see the difference on the car's computer readout. I put a K&N Air Filter from Autoanything on my wife's Highlander. Two weeks later she asked me if I did something to the car because she didn't have to put as much gas into it and it felt better to drive."

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About Everett L.
Vehicle
2006 Toyota Highlander
I use my vehicle for
Work and in town
 
K&N For Nissan GTR

Posted on 01/29/2009 by Siavash Z. (Los Angeles,CA)

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Quality

"The filters are good quality and were very easy to install. Visibly they looked like they flow more air. However, after installation I did not notice any difference in power. I timed the car from 0-100 before and after installation a few times. I was not able to record any measurable difference. I may have gained 2-4 hp but I could not measure the difference in the real word. Since I have plans to modify the car further, The filters may make a difference as the power level increses."

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About Siavash Z.
I use my vehicle for
Daily sport driving and occasional track days.
 
Things you need to do to improve

Posted on 01/29/2009 by Fred W. (Colorado Springs,CO)

0 of 2 people found the following review helpful.

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Quality

"My filter arrived promptly. Things I object to were no installation instructions for installing it in my 97 Land Rover Discovery. The generic instuctions just don't hack it. I also think it foolish that you do not provide cleaning instructions with the filter, but tell the customer to go online so more time and inconvenience occurs. The idea should be that you make it convenient for your customers to both install and know how to clean the filters. You have a great reputation for your products, but you can see the number of Companies going down the tubes because they ignore their customers and FAIL TO CONSISTENTLY IMPROVE."

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About Fred W.
 
Improves reving of my 3.5 Acura motor

Posted on 01/29/2009 by William N. (Pasadena,TX)

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Quality

"I replaced my 2 inch thick paper air filter from Acura with a new K & N filter and can already tell that the engine revs better. Not sure about the gas mileage because this makes want to rev the engine harder!"

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About William N.
 
beliver

Posted on 01/29/2009 by Bill C. (Sapulpa,OK)

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Quality

"what i was told and heard is about the k&n filter"

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About Bill C.
 
K&N drop in replacement

Posted on 01/29/2009 by Larry D. - 2008 Mazda CX-9 (Trussville,AL)

1 of 1 people found the following review helpful.

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Quality

"Exact replacement for my OEM air filter. I use K&N in all my cars and trucks and have noticed some increase in mileage, but the biggest factor is, I never have to buy another paper filter to keep my engines breathing "clean"."

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About Larry D.
Vehicle
2008 Mazda CX-9
I use my vehicle for
everyday use, trips, etc
 
Impressed !

Posted on 01/28/2009 by James W. - 2007 Suzuki Reno (Charlotte,NC)

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Price/Value
Quality

"This product has greatly improved my engine performance, which will preserve my engine. It doesn't have to work hard anymore !"

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About James W.
Vehicle
2007 Suzuki Reno
I use my vehicle for
Commuting, travel
 
still early

Posted on 01/28/2009 by Richard P. - 1998 Jeep Cherokee (Phoenix,AZ)

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Quality

"It is still early but here are my results after 2 weeks. I normally get 14 to 15 mpg in the city, slightly higher on the highway. My first tank averaged 18 mpg. Second tank averaged 12.7 mpg. I do a lot of stop and go driving in the city (Phoenix). I do notice a smoother running engine that appears to run cooler. Acceleration has always been good, but it is slightly better with this filter. All in all I am pleased with my purchase and would recommend this product. I'm going to track this a few more months and if the difference is noticeable, will install a filter on my wife's truck."

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About Richard P.
Vehicle
1998 Jeep Cherokee
I use my vehicle for
commuting, travel, 4 wheeling
 
K&N Air Filter

Posted on 01/27/2009 by Jonathan Y. - 2006 Lexus IS 250 (Benicia,CA)

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Quality

"Looks good and works good so far"

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About Jonathan Y.
Vehicle
2006 Lexus IS 250
I use my vehicle for
commuting and travel
 
Seven years experience!

Posted on 01/27/2009 by David A. C. - 2008 Toyota Avalon (Hoboken,GA)

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Quality

"I first purchased a K&N filter in 2002 for my Ford F-150 pickup. I then installed one in my 2005 Nissan Maxima, In 2006 I installed one in my Toyota Tacoma pickup. I just purchased a 2008 Toyoat Avalon and have onstalled one in it. I noticed an immediate increase in acceleration and my mileage has improved nominally. They are easy to service and well worth the investment. I have installed the one I had in my Ford Pickup in my father-in-law's 2003 Ford F-150 pickup and he has noticed the difference also. Keep up the good work. Dave Hoboken, Georgia"

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About David A. C.
Vehicle
2008 Toyota Avalon
I use my vehicle for
Personal Use
 
K&N Filter Review

Posted on 01/27/2009 by Jd C. - 2005 Ford Expedition (Johnsonville,SC)

0 of 1 people found the following review helpful.

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Price/Value
Quality

"Lots of vairables, put new tires on, changed to K&N filter. Mileage droped .8 per gallon. I drive through different states, so when I pull up to the pump I"m not sure what I"m getting in gas quality."

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About Jd C.
Vehicle
2005 Ford Expedition
I use my vehicle for
commuting
 
2007 Honda Civic K&N Air Filter

Posted on 01/26/2009 by Joseph F. - 2007 Honda Civic (Goodyear,AZ)

0 of 1 people found the following review helpful.

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Price/Value
Quality

"The best upgrade you can purchase for the money. Never buy another air filter again and the quality of K&N will not let you down. My Civic has stopped gasping for air and runs with less RPM's. Going to get one for the wife's Toyota."

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About Joseph F.
Vehicle
2007 Honda Civic
 
08 Acadia

Posted on 01/26/2009 by Jason B. (Ponchatoula,LA)

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Price/Value
Quality

"I can tell that I've picked up a horse or two with off the line acculeration. Haven't noticed any extra MPG yet, hopefully there sure to come. What this vehicle needs is a cool air induction, but this filter is still a good buy."

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About Jason B.
I use my vehicle for
travel, family activites, and weekend cursing.
 
avalanche application

Posted on 01/26/2009 by James F. - 2008 Chevy Avalanche (El Paso,TX)

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Ease of Installation
Price/Value
Quality

"chevy put some tork screws at odd angles near the rad return hose but overall the install was very easy. the truck seemed to breath easier and the drop in filter worked as advertized. increase in hp is nominal.."

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About James F.
Vehicle
2008 Chevy Avalanche
I use my vehicle for
commute and travel