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K&N Air Filters Air Filter - 33-2372

By K&N
16,624 Reviews
$64.99
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Features:
  • Part #: 33-2372
In Stock - Ships by 04/03/2023
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Product Info
Features:
  • K&N Air Filters feed your motor clean, energy-rich oxygen while remaining eco-friendly
  • Designed for your specific year, make and model
  • Comes pre-oiled and ready for installation
  • Unrestricted airflow increases horsepower and acceleration, while filtering out harmful particles
  • Enhances fuel economy to save you a few extra bucks at the pump
  • Pleated and oiled cotton-gauze filtration medium runs up to 50,000 miles between cleanings
  • This medium is also lifetime reusable and washable
  • 50-state street-legal filter won’t void your vehicle warranty
  • K and N Air Filters carry with them a Million Mile Limited Warranty
  • How To Clean K&N Air Filter (PDF)
Description:
For more than 30 years, K&N cold air induction and cold air intake filters have been the choice in engine filtration. Designed to deliver virtually unrestricted flow to help your engine run stronger, cleaner and with greater fuel efficiency, K&N Air Filters are pre-oiled and ready for installation in your specific year, make and model.

The secret is in the filter medium – four to six sheets of pleated and oiled cotton-gauze are layered between two sheets of aluminum wire mesh. This tried-and-proven design traps dirt, dust and other harmful particles, while clean, power-enhancing air flows freely to your engine.

KN Air Filters require only a simple cleaning every 50,000 miles, and with no costly changes or services required, it saves you money in the long run. You’ll also help the environment in the long run by reducing the number of disposable air filters that wind up in our nation’s landfills. Street-legal in all 50 states, your K&N Drop In Filter is covered by a Million Mile Limited Warranty.
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Notes:
Moss Warranty Act Statement

Thanks to the Magnuson Moss Warranty Act: US Code – Title 15, Chapter 50, Sections 2301-2312, your vehicle’s factory warranty is protected by law when you add aftermarket parts.
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Customer Reviews

Average Rating
Appearance
Ease of Installation
Price/Value
Quality
16624 Customer Reviews
5 Star
13370 (80%)
4 Star
2604 (16%)
3 Star
410 (2%)
2 Star
107 (1%)
1 Star
133 (1%)

I'm always using K&N Filters

I'm using K&N Air and Oil Filters on all of my vehicles. I'm very happy with this.
Appearance
Ease of Installation
Price/Value
Quality
Posted By Alex V (Whitehouse Station, NJ) / April 14, 2014
2007 BMW X3
Yes
No

Great Product

The k&n filter i purchased fit great and performed alot better than i thought it would
Appearance
Ease of Installation
Price/Value
Quality
Posted By Nathan D (Phelps, KY) / January 27, 2012
2010 Ford F-150
Yes
No

REVIEW OF K&M AIR FILTER BMW Z4

I have used K&N on all my cars both drivers and performance cars such as 911 Turbo, MB AMG, Vette Z06, Viper,Hot Rods, as well as all my Harleys. I"ve never ever had any issues with their products. Per the Dyno K&N HP/TORQ are right on or over the published numbers.I never even look at other filters K&N has never let me down. Ted
Appearance
Ease of Installation
Price/Value
Quality
Posted By TED F (FLAGSTAFF, AZ) / May 3, 2011
2010 BMW Z4
Yes
No

Quality Product

Easy to install and a noticable improvement in performance with no impact on mileage
Appearance
Ease of Installation
Price/Value
Quality
Posted By Brad J (Grand Ledge, MI) / May 12, 2010
2007 BMW X3
Yes
No

WooHoo!

Definite, noticible increase in output from '07 BMW X3 w. 6spd manual. Installation a bit frustrating because depth of K&N sealing surface seemed greater (or firmer) than stock filter making refitting cover a challenge. It certainly won't leak around edges now, however. Obviously a very simple and cheap way to gain some extra HP.
Appearance
Ease of Installation
Price/Value
Quality
Posted By William L (Burlington, VT) / November 23, 2009
2007 BMW X3
Yes
No

Best airfilter on the market.

This is the best airfilter on the market. I have had it in every car since 1994
Posted By Kari K (Larchmont, NY) / December 15, 2007
2008 Pontiac G6
Yes
No
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