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K&N 33-2440 5.0 out of 5 stars 3 Customer Reviews
Replacement Filters > Replacement Air Filter

List Price: $122.43
Your Price: USD $82.99

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33-2440
 
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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 virtually every vehicle 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]
  • 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®

Product Specifications

Air Filter ShapePanel
Filter MaterialCotton Gauze
Height1.438 in (37 mm)
Outside Length7.875 in (200 mm)
Outside Width7.063 in (179 mm)
Package Contents2 Air Filters
Package Quantity2
Product Box Height3.94 in (100 mm)
Product Box Length10.25 in (260 mm)
Product Box Width10.25 in (260 mm)
Product StylePanel Air Filter
This Product Includes2 Filters
Weight2.1 lb (1 kg)


Product Reviews


  I've been using K&N air and oil filters for many years now, cars and motorcycles. The last car I had was a BMW 525i and I consistently calculated a 3-4 mpg (highway) improvement in gas mileage. I recently purchased a 2012 Infiniti M37 and am averaging 2-3 mpg improvement on the highway. I just like the fact I don't have to change the paper filters often and do notice better gas mileage on the highway which makes me feel a little better since I have to use premium grade. When I checked all the auto parts stores they didn't have them or told me they were on backorder. I called K&N directly and they were shipped out quick. Customer service was above average and worked efficiently. And if you ever decide to engineer and sell automobile CABIN FILTERS that have carbon/charcoal layer and are oiled with a light scent, SIGN ME UP! I hate changing the air filters so often. There is a model of the Infiniti that has a feature called Forest Air that people seem to love. Unfortunately, mine doesn't have it. Just sayin. Thanks.
Bo Lawrence Austin, Texas
  Super easy to install, perfect fit, and quality second to none. I've been using K&N filters in all my vehicles for several years and they are everything as promised. I will continue to replace my stock filters with K&N products in the future as well. Best product you can buy for the money.
G Hardy Valdosta, Georgia
  Installed the 2 filters on my 2010 Infiniti M35.  Has great acceleration off the line. The car feels so much smoother and lighter.
Luis D South Bay, California