K&N 33-2417

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   7 Customer Reviews
List Price: $82.98
Your Price: USD $52.99

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  Will ship as soon as it becomes available.
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
Filter Re-Oiling Amount0.7 oz (21 ml)
Height1.25 in (32 mm)
Outside Length10.25 in (260 mm)
Outside Width4.313 in (110 mm)
Package Contents1 Air Filter
Package Quantity1
Product Box Height13.56 in (345 mm)
Product Box Length7.72 in (196 mm)
Product Box Width1.75 in (44 mm)
Product StylePanel Air Filter
Weight0.8 lb (0.3 kg)

Product Reviews

Review part 33-2417
Tuesday, September 15, 2015 - Part 33-2417
Great filters. Had my family mechanic switch both my wife's Nissan and my smart to K&N oil & air filters. My 2011 smart had a noticeable jump in horsepower right out of the shop. Very interested in seeing what the fuel mileage is like. I recommend K&N filters to everybody.

Richard Lahan
Irmo, SC
Friday, May 22, 2015 - Part 33-2417
If anyone is even thinking about purchasing a K&N air filter? DO IT. We have had them in everything from Corvette's, Camaro's, Acura's, to now our smart cars. Yes even the little cars deserve the best. If you think about it, getting three of the big box store filters and you would of purchased one K&N that will last longer then 10 regular filters. Increase of horsepower is wonderful. If your engine is a happy camper so is the rest of your vehicle and who doesn't want to breathe better. Quality? 5 stars Longevity? 5 stars Price? 10 stars, No matter what you drive K&N is the only way to go. Even the oil filters are fantastic. So take it from the old fat broad down here in south Texas, K&N all the way. And hey, the little sticker looks really cool on my back window. So do yourself a favor get-cha one of em.

Joyce Cruz
South Texas
Wednesday, April 29, 2015 - Part 33-2417
I saw a K&N ad in the NRA's American Rifleman magazine. The filter is very well made and replaced the stock filter perfectly. My car does seems peppier, but mainly I was hoping for a really noticeable increase in (the already 45-48 mpg) gas mileage. Two fill-ups have shown a 0.5 to 1.0 mpg increase nothing really to write home about -but weather/temperatures are a big factor this time of year in the Northeast, so hopefully my average summer mileage will be bumped up to the mythical 48-50+ mpg range.

Ralph Ferrusi
Stormville, New York
Wednesday, March 25, 2015 - Part 33-2417
Product arrived earlier than anticipated and it fit the application perfectly.

David Parillo
United States
Saturday, December 27, 2014 - Part 33-2417
Notable difference in power and acceleration. Can't believe that I hadn't used these filters before.

Juan Andrada
Panama City, Florida
Saturday, August 23, 2014 - Part 33-2417
Bought the replacement filter for my wife's 2013 Smart car. As usual the filter is great. Gave her 3-5 more HP and with her heavy foot it's a plus. The quality of the K&N filter can't be matched. We've had the K&N filters on everything from all 3 of our Corvettes, Acuras and Hondas to my Camaro to now her smart cars. This is her 2nd Smart car. Everyone needs K&N filters on every vehicle in their garage and beyond. Be it a resto-mod or brand new out of the showroom your only choice should be K&N Filters. We even use 'em for oil filters. For a few cents more why screw around with inferior products. Ever see a stock Smart car run the 1/4 mile drag strip taking on another Smart car? My wife would not do it unless she had the K&N filter in her car. Gives her that extra edge every time. Watch those baby cars fly..... If you have any doubts? Don't!! Make the smart choice. K&N Filters !!

Bob Cruz
Monday, March 03, 2014 - Part 33-2417
Terrific air filters.

Lou Kelley