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33-2311
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MSRP $73.99 35.1% Off
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K&N 33-2311 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   7 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 Amount1.04 oz (31 ml)
FlangesNone
Height0.875 in (22 mm)
Outside Length9.375 in (238 mm)
Outside Width8.375 in (213 mm)
Package Contents1 Air Filter
Package Quantity1
Product Box Height11.56 in (294 mm)
Product Box Length10.44 in (265 mm)
Product Box Width1.75 in (44 mm)
Product StyleUnique Air Filters
Weight0.8 lb (0.4 kg)

K&N 33-2311 Air Filter Product Reviews

Thursday, September 8, 2016 - Part 33-2311
Purchased this K&N air filter for my daughters car that we purchased for her. Did so to avoid her from ever having to buy an air filter for it. Have K&N air filters on 86 Porsche 944, 99 Chrysler 300 & 2007 Saturn Outlook XR. That says it all.

David L. Wilson, Sr.
Great Falls, Virginia
Wednesday, July 6, 2016 - Part 33-2311
I like doing businss with you.

Pierre Laliberte
St-Jerome, Quebec
Wednesday, April 13, 2016 - Part 33-2311
Definitely worth the 50 dollars, minimal gains in hp but definitely feels a little more responsive.

Scott
Niagara Falls, Ontario
Friday, November 13, 2015 - Part 33-2311
Waiting on refund of this one. Ordered two by mistake. I sent it back and have not received a refund yet. The customer service rep I spoke with was courteous and very knowledgeable.

Connie Henlsey
Macclesfield, North Carolina
Friday, November 13, 2015 - Part 33-2311
The filter works great. My gas mileage has picked up about 5 more miles to the gallon.

Connie Hensley
Macclesfield, North Carolina
Wednesday, November 26, 2014 - Part 33-2311
The K&N filter provides better air intake thus leading to better air to gas mixure. At low rpm I am able now to shift my first gear in position witch before was a delicate thing to do and often had an awfull metal grinding noise. With a solid service of the injectors/air docks/intake manifold combined with the K&N filter I get more then satisfying engine performance. Very good product and very good engenering work. I recommend this product every time I can at the Canadian Tire Services Center where I work as technical advisor.

Philippe Desrosiers
Lachine Quebec Canada
Friday, May 30, 2014 - Part 33-2311
Gets better gas mileage.

Paul
Deleware