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Replacement Filters > Replacement Air Filter

List Price: $84.43
Your Price: $56.99 USD

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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 Large End Diameter5.75 in (146 mm)
Air Filter ShapeRound
Base Inside Diameter2.594 in (66 mm)
Base Outside Diameter5.188 in (132 mm)
Filter MaterialCotton Gauze
Filter Re-Oiling Amount1.55 oz (46 ml)
Flange Type0
FlangesNone
Height9.063 in (230 mm)
Inner WireNo
Outside Diameter5.75 in (146 mm)
Package Contents1 Air Filter
Package Quantity1
Product Box Height11 in (279 mm)
Product Box Length6.38 in (162 mm)
Product Box Width6.38 in (162 mm)
Product StyleRound Air Filter
Top Inside Diameter2.844 in (72 mm)
Top Material/FinishNone
Top Outside Diameter5.75 in (146 mm)
Top StyleOpen
Weight0.9 lb (0.4 kg)


Customer Feedback


2012 Nissan Frontier Pro 4X 4.0L. It is very loud at high rpm. It did add hp and tq from about 3500 rpm to red line. About 4500 rpm to red line it is louder than my dual exhaust. I would suggest this to anyone. I'm looking at getting one for my wife. Very good cold air intake.
Jeremiah, Bismarck, North Dakota
Superior product! Got this for my 2003 Nissan Frontier with the KA24DE 2.4L I4 engine. Shipping was good, came in about a week from ordering. Installation was super-basic, no special tools or anything but the best thing was the performance gain. I could feel noticiable gain to both torque and HP. I believe this product will stand up to the Million Mile Warranty!
Jarrod, Madera, California
This product in my opinion is by far the best. I have been using K&N oil filters (along with synthetic oil) in my 2000 Nissan Frontier since about 20,000 miles. I am currently at 154,000 miles and have never experienced any oil related issues, ever. The welded on nut is so nice especially with Nissan's location of the filter not being the most easily accessible. PS: I also use K&N filters for my motorcycle. Keep up the good work. K&N for LIFE!!!!
Kale, Tempe, Arizona