Replacement Air Filter
Hover over the image to zoom in
Share this:

K&N Replacement Air Filter

Part No. 33-2125 Warranty Details  

See if this part fits a specific vehicle.

Check Vehicle Fit

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.

Product Features:
  • This is the last air filter your vehicle will ever need!
  • 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┬«
Back To Top
Height:0.75 in
Material:Cotton Gauze
Outside Length:9.875 in
Outside Width:8.25 in
Shape:Panel
Top Type:Open

REVIEW SNAPSHOT®

by PowerReviews
K&NReplacement Air Filter
 
5.0

(based on 2 reviews)

Ratings Distribution

  • 5 Stars

     

    (2)

  • 4 Stars

     

    (0)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

Reviewed by 2 customers

Displaying reviews 1-2

Back to top

 
5.0

When only the best will do ! - K&N !

By 

from South Florida

About Me Auto Enthusiast, Car Nut

See all my reviews

Verified Buyer
3 or more reviews submitted

Pros

  • Best You Can Buy
  • Durable
  • Easy To Use
  • High-Performance
  • Lightweight

Cons

  • None Ever

Best Uses

  • All Vehicles

Comments about K&N Replacement Air Filter:

Get Big Air Flow...Highly Recommended...Buy This !!!

  • Was this a gift?:
  • No

Comment on this reviewHelp Icon

 
5.0

Excellent

By 

from Roanoke, VA

Verified Buyer

Pros

  • Durable
  • Easy To Use

Cons

    Best Uses

      Comments about K&N Replacement Air Filter:

      Good fit. Clear instructions. Good packaging.

      • Car & Truck:
      • Auto Enthusiast
      • Was this a gift?:
      • No

      Comment on this reviewHelp Icon

      Displaying reviews 1-2

      Back to top

      Do you have questions about this product?

       

      Ask a question, get answers from real customers and in-house experts. For further assistance, please review your support options on our Contact Us page.

      1 Question | 1 Answer
      Displaying question 1
      • Q:

        What vehicles WILL this air filter (K&N 33-2025) fit besides a VW Passat?
        Asked on 10/28/2011 by Anonymous

        1 answer

        • CUSTOMER CARE

          A:

          Vehicles that Fits this Part Number from K&N Filters are:
          Audi
          Audi A4 Avant ( 1998 - 1998 )
          Audi A4 Base ( 1996 - 2005 )
          Audi A4 Cabriolet ( 2003 - 2005 )
          Audi A4 Quattro Avant ( 1998 - 2005 )
          Audi A4 Quattro Base ( 1996 - 2005 )
          Audi A4 Quattro Cabriolet ( 2004 - 2005 )
          Audi A6 Avant ( 1997 - 1998 )
          Audi A6 Base ( 1997 - 2004 )
          Audi A6 Quattro Avant ( 1997 - 2004 )
          Audi A6 Quattro Base ( 1997 - 2005 )
          Audi A8 Quattro Base ( 2001 - 2003 )
          Audi A8 Quattro L ( 2001 - 2005 )
          Audi Allroad Quattro Base ( 2001 - 2005 )
          Audi RS6 Base ( 2003 - 2003 )
          Audi S4 Avant ( 2001 - 2002 , 2004 - 2005 )
          Audi S4 Base ( 2000 - 2002 , 2004 - 2005 )
          Audi S4 Cabriolet ( 2004 - 2005 )
          Audi S6 Avant ( 2002 - 2003 )
          Audi S8 Base ( 2001 - 2003 )
          Audi TT Base ( 2001 - 2005 )
          Audi TT Quattro ALMS Edition ( 2002 - 2002 )
          Audi TT Quattro Base ( 2001 - 2005 )

          Answered on 10/29/2011 by Vincent from AAP
      Displaying question 1

      Do you have a question about this product? 

      Check out the specials in our monthly flyer.
       
       
      Disclaimer We strive to keep all information accurate and up-to-date; however, product availability, pricing, promotions and store hours are subject to change without notice. Please contact Customer Care if you have any questions or corrections.