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Replacement Filters > Replacement Air Filter

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33-2427
 
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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 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®
Available Information
33-2427 Cross Reference
33-2427 Vehicle Applications
Air Filter Test Data
News Story - 2009, 2010 and 2011 Hyundai Genesis 3.8 Liter V6 Owners Can Now Boost Performance With K&N


Part 33-2427 Product Specifications
Product Style: Panel Air Filter
Height: 1 in (25 mm)
Outside Length: 11.875 in (302 mm)
Outside Width: 9 in (229 mm)
Air Filter Shape: Panel
Filter Material: Cotton Gauze
Package Contents: 1 Air Filter
Package Quantity: 1
Filter Re-Oiling Amount: 1.43 oz (42 ml)
Weight: 1.3 lb (0.6 kg)
Product Box Length: 11.06 in (281 mm)
Product Box Width: 2.34 in (60 mm)
Product Box Height: 15.06 in (383 mm)



Customer Feedback      Be the first to review part 33-2427

I just wanted to personally thank K&N customer service for helping me recently when I called to find out about possible replacement parts for their filtercharger on my 2005 GTO. When I was taking it apart to clean and condition the filter element, I noticed the bottom half of the heat shield was pretty corroded. I called to see if I could buy one to replace it and was told it was covered under the warranty at no cost to me!
I always show my car at car cruises and shows and am proud to say I use K&N products and now even more so!  Not only does the product perform well, but the customer service is excellent! Special thanks to Thomas Walden for quick and excellent customer service!

A loyal K&N customer,

P.S. My son wants a K&N filtercharger for his 2011 Hyundai Genesis Coupe 3.8 , but you don't make one (yet), what's up?
Larry Bailey, Pittsburgh, Pennsylvania
I've always trusted my cars to K&N, and the new 2015 Hyundai Genesis Ultimate 3.8L V6 is no exception. This vehicle, like my exiting Hyundai Azera Ultimate 3.8 has better, smoother more responsive acceleration, faster throttle response and overall sporty feel, it gets better gas mileage in all three driving modes by 1 to 3 mpg tested over a 1500 miles average without and 1500 miles average with the K&N air filter. As always, I replace my filter every 100,000 miles, and my 2008 Azera is on its second filter. I do clean them regularly for best performance and recondition them every 25,000 miles, in spite of the manufacturers recommendation for 50,000 mile intervals. Using this in combination with a full synthetic old - Penzoil Platinum Ultra being my personal favorite, I get an average of 30 mpg city and 35 mpg highway with 33 mpg combined, some 5 mpg better than without either 'upgrade'. The K&N filter pays for itself not only in four filter changes (or lack thereof) it pays for itself daily, ongoing, by saving gas mileage. As always, Your mileage will vary, but I can assure you, you WILL get at least a 3-5% boost in mileage.
Mike Ratledge, Charleston South Carolina
We just received the first K&N filter designed for my wife's 2014 Buick Encore. I put it in the car and my wife has said she already feels better throttle response with it. This is the 6th K&N filter I have used. I have installed them in all my current and past vehicles (Honda Civic, Pontiac Vibe, Scion TC, Hyundai Santa Fe, and Mazda CX-5). I find the quality top notch, and the performance better than expected.
Mike Niemczura, Cleveland, Ohio