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33-2181
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MSRP $74.99 36.0% Off
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K&N 33-2181 Air Filter

Replacement Filters > Replacement Air Filter
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   5.0 out of 5 stars   30 Customer Reviews
  • Designed to boost horsepower and rate of acceleration
  • Can be cleaned and used again
  • High air flow with exceptional filtration
  • Lasts up to 50,000 miles before cleaning is required depending on driving conditions
  • Works with original equipment manufacturer vehicle electronics
  • Emissions legal in all 50 US states
  • Will NOT void vehicle warranty
  • Million Mile Limited Warranty®
K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of vehicles on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means adding performance is simple. With most vehicles you simply remove the disposable air filter and replace it with a K&N. See applicable instruction sheet for details. Our stock replacement air filters for street vehicles are covered by our famous K&N Million-Mile Limited Warranty and will be the last air filter your vehicle will ever need.

[More Information on K&N Replacement Air Filters]

Product Specifications

Air Filter ShapePanel
Filter MaterialCotton Gauze
Filter Re-Oiling Amount1.21 oz (36 ml)
Height1.25 in (32 mm)
Outside Length13.688 in (348 mm)
Outside Width5.188 in (132 mm)
Package Contents1 Air Filter
Package Quantity1
Product Box Height17.19 in (437 mm)
Product Box Length8.31 in (211 mm)
Product Box Width1.75 in (44 mm)
Product StylePanel Air Filter
Weight0.9 lb (0.4 kg)

K&N 33-2181 Air Filter Product Reviews

Friday, April 01, 2016 - Part 33-2181
I have no idea if it's any better or not. But your marketing persuaded me my car will be faster and I like your sticker.

Greg
Virginia
Tuesday, March 15, 2016 - Part 33-2181
Fast delivery, well packaged, quality made product. Exact replacement. The car accelerates super smoothly and you can feel the difference under your right foot, its like you've unblocked your cars intake.

Mark Cudby
Basildon, Russia
Thursday, March 03, 2016 - Part 33-2181
Great so far. I've noticed better throttle response and acceleration. Not too sure about better fuel economy because it really doesn't matter to me! lol

Brien Byrne
Houston, Texas
Tuesday, February 09, 2016 - Part 33-2181
Excellent service,& parts. Very happy with product! I always use K&N filters in my personal cars.

Philip Chang
New York, New York
Tuesday, January 19, 2016 - Part 33-2181
I have not had not any problems with them and I have always tried to use them. I've used them in my mark Porsche and my Mercedes now, and my Volkswagen turbo diesel I had, and it was perfect. It is nice to know the product works great and that it does what it says it will do. When I put it on my Porche, it was really fun to drive.

Robert Thompson
Wichita, Kansas
Wednesday, November 04, 2015 - Part 33-2181
FILTER CAME EARLIER THAN EXPECTED. I WAS ABLE TO INSTALL THE SAME DAY. THE FIT TO THE CAR INDUCTION SYSTEM WAS PERFECT. THANKS FOR THE FAST SERVICE.

Danny
Georgia
Tuesday, November 03, 2015 - Part 33-2181
Great filter..

Lee Fitts
Memphis, Tennessee