air-filters-direct-fit

K&N 33-2209 - Air Filter

rating-star review rating-star review 1rating-star review 2rating-star review 3rating-star review 4

$48.44

$87.99

You save: $39.55 (45%) off MSRP

Unavailable

This product is currently unavailable.

Check to see if this fits your vehicle

This part fits

  1. 2009 Audi S4
  2. 2009 Audi A4 Cabriolet
  3. 2009 Audi A4 Quattro Cabriolet
  4. 2008 Audi S4
  5. 2008 Audi RS4
  6. 2008 Audi A4 Quattro
  7. 2008 Audi A4
  8. 2007 Audi S4
  9. 2007 Audi RS4
  10. 2007 Audi A4 Quattro
  11. 2007 Audi A4
  12. 2006 Audi A4 Quattro
  13. 2006 Audi S4
  14. 2006 Audi A4
  15. 2005 Audi S4
  16. 2005 Audi A4 Quattro
  17. 2005 Audi A4
  18. 2004 Audi S4
  19. 2004 Audi A4 Quattro
  20. 2004 Audi A4
  21. 2003 Audi A4 Quattro
  22. 2003 Audi A4
  23. 2002 Audi A4 Quattro
  24. 2002 Audi A4
  25. show all...
Authorized Dealer

About this product

Part #: 33-2209

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 Details

Diameter Inside (in.)OEM
Diameter Outside (in.)OEM
Filter MaterialCotton Gauze
Filter Re-Oiling Amount1.37 oz (40 ml)
Filter StyleDry
Height (in.)1.125
Outside Length10.313 in (262 mm)
Outside Width8.25 in (210 mm)
ShapePanel (Flat)
Width (in.)8.25
Additional Documents
  1. Installation Instructionspdf

See what our community says about kn products

product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
better than what came with the intake kit, and fits
Is this your first time buying from this brand? Did you consider other brands?
no. i've had a few. same size fits foxbody mustang and 3.0 dodge shadow
View on John's build
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
More well known company compared to the other options
Is this your first time buying from this brand? Did you consider other brands?
Yes, and yes.
Was it easy to install? Any installation tips that will help others?
Took 20 minutes or so.
Once you've had a chance to use the product, did it meet your expectations?
Solid product, no complaints
View on Gerick's build
Christopher Wiemann

467

Christopher Wiemann
1992 Mitsubishi 3000GT
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
Needed larger intake to match Manifold
Is this your first time buying from this brand? Did you consider other brands?
yes
View on Christopher's build
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
No complaints, works as advertised
Is this your first time buying from this brand? Did you consider other brands?
No not first time. They make quality air and oil filters
View on Brett's build
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
The price and the performance were on par with exactly what I wanted on my car.
Is this your first time buying from this brand? Did you consider other brands?
This is my first K&N brand product, I did consider others, but I am very happy with my decision.
View on Josh's build
California prop 65 warningWARNING: Cancer and Reproductive Harm www.p65warnings.cs.gov

*Some manufacturer restrictions apply.

About K&N

K&N Engineering in Riverside California is the world's leading manufacturer of washable performance air filters and air intake systems. K&N invented the reusable high flow cotton air filter in 1969 and has been perfecting the technology ever since. K&N is a world class filtration company selling air filters, oil filters, and air intakes in over 30 countries. K&N sells over 5,000 products designed for cars, trucks, motorcycles, engines, and industrial applications. From their Million Mile Warranty to their Consumer Protection Pledge, K&N stands behind their products and their consumers 100%. The distinctive K&N logo represents performance from one of the original performance companies.

shipping-worldwide from warehouse

we ship worldwide!

Based in California with 3 warehouses across the country, we’re sending out shipments everyday of the week, even Saturdays. Because your next mod shouldn’t have to wait.

+ FREE GROUND SHIPPING ON U.S. ORDERS OVER $99
Globe international shipping icon
Have a question? Ask an Expert!

Finding the best parts can be tricky

- but not to worry! Our team of experienced American Muscle, JDM, Euro, and off-road tuners are ready to answer your questions (as long as we’re not in the garage wrenching on our own builds).

Decorative testimonal quote icon

What do you get when you mix Facebook, Amazon, and your favorite online car forum? You get Wheelwell.com.

undefined supporting their testimonial

Hot Rod Magazine

Decorative testimonal quote icon

Wheelwell helps you organize all your stuff for your car, I’ve loaded all my cars on Wheelwell and you can see all the parts I’ve put in them and that may help you make a decision with your own build.

Matt Farah supporting their testimonial

Matt Farah

The Smoking Tire / The Drive

Decorative testimonal quote icon

This is an awesome new site where enthusiasts can get together and figure out what products work best on their ride.

undefined supporting their testimonial

The Truck Show Podcast