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K&N 33-2129 4.9 out of 5 stars 57 Customer Reviews
Replacement Filters > Replacement Air Filter

List Price: $74.44
Your Price: USD $50.99

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33-2129
 
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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
Filter Re-Oiling Amount1.85 oz (55 ml)
Height1.188 in (30 mm)
Outside Length12.438 in (316 mm)
Outside Width9.813 in (249 mm)
Package Contents1 Air Filter
Package Quantity1
Product Box Height17.81 in (452 mm)
Product Box Length11.06 in (281 mm)
Product Box Width1.88 in (48 mm)
Product StylePanel Air Filter
Weight1.8 lb (0.8 kg)


Product Reviews


  I've never used anything but KN filters. And I'll never use anything else EVER
Kyle Steinel Connecticut
  Web site is easy to use, order was shipped quickly, product is top shelf. K&N is by far the leader in high performance replacement filters.
STEVE HOFFMANN Vermont
  Love the filter.
Becky Cortus Olathe, Kansas
  I immediately noticed smoother running & after two weeks, noticed improved gas mileage after installing my new K&N filter.
Ken Root United States
  My first k&n air filter was a stock replacement in a 1991 Chevy caprice with the 305 v8. When I got the car, I calculated a highway mileage of 24mpg. My caprice had no modifications whatsoever. During the 7 years I owned it I put a performance chip in it, gutted the catalytic converter, installed a high flow muffler, and put a K&N filter in it. Afterward I noticed near instant throttle response, was able to make just about any loud dodge truck eat my dust, and got a real world 27 mpg on the highway. I have since traded the caprice in for my first 4wd vehicle: a 2006 gmc sierra 1500 with the 5.3 v8 and z71off road package. The first mod I've done to my new truck is put a stock replacement style K&N filter in it. I chose it over a cold air intake because the air box is covered up and bottom and I have got water/mud on top of the airbox. I can't say much as to a very noticeable power change in my truck, but I have noticed a better sounds inside the cab and a real world gas mileage change from 18.6 on the highway to an even 20.0mpg. I got this mileage during a 960 mile trip over two 11,000+ ft mountain passes. I really like your product as both a cost-saver (you only buy one) and an efficiency booster.
Jon C Colorado
  Great product and extremely fast shipping.
Paul Craft Dillon, Montana
  Works great. Received very quickly.
Troy Ehret United States