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K&N

K&N Engine Air Filter: Increase Power & Acceleration, Washable, Replacement Car Air Filter: Compatible with 2000-2013 Audi/Seat (A4 Cabriolet, S4, RS4, A4 Quattro Cariolet, Quattro, Exeo), 33-2209

    • Based on 487 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon
Arrives Sunday, Jun 16
Order within 2 hours and 27 minutes
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Features

  • ENGINEERED POWER: State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance
  • RUGGED CONSTRUCTION: K&N Air Filters are manufactured with durable, premium materials and state-of-the-art construction methods to last a lifetime
  • 4 LAYERS OF PROTECTION: Multiple layers of premium cotton gauze treated with a specially-designed tacking agent work together to create an intricate mesh of engine filter media that is designed to block and trap harmful contaminants
  • CLEAN ONCE EVERY 5 YEARS: Engine air filter only needs cleaning every 75,000 miles under normal highway driving conditions (5 years based on the average miles driven per year of 15,000 miles)
  • ULTIMATE LONGEVITY: No-hassle lifetime limited warranty on stock replacement K&N air filters- limitations apply
  • EASY INSTALLATION: K&N Air Filters are pre-oiled and ready to drop into your factory air box- they are one of the easiest and most cost-effective vehicle upgrades for quick performance gains
  • REDUCES WASTE: Over 200 million disposable air filters and their packaging waste wind up in landfills each year- reusable filters help reduce waste in our landfills
  • MADE IN USA: K&N Air Filters are proudly made in the USA for trusted quality & reliability

Description

Compatible Vehicles:2009-2013 SEAT Exeo2009-2010 AUDI A4 Cabriolet2009 AUDI A4 Quattro Cabriolet2005-2009 AUDI RS42003-2009 AUDI S42000-2008 AUDI A42002-2008 AUDI A4 Quattro2004 AUDI Cabriolet2004 AUDI Quattro Cross Reference: AC Delco A1411C; Audi 06C133842; Audi 06C133843; Audi 079133843A; BMC 27901; BMC FB27901; Champ Labs. AF3593; Fram CA10573; Luber-Finer AF3593; Mann-Hummel C271921; MicroGard MGA42972; Mobil AF3593; Napa 2295; Premium Guard PA5457; Purepro A5457; Purolator A47039; Repco RAF301; Ryco A1593; Service Champ AF5457; Simota OA001; STP SA9409; Valvoline VA325; Warner WAF3593; Wesfil WA5021; WIX 42295; WIX 42972; WIX 49842

Brand: K&N


OEM Part Number: 33-2209


Shape: Panel


Manufacturer: ‎K&N Engineering


Brand: ‎K&N


Model: ‎2000-2013 Audi/Seat


Item Weight: ‎14.2 ounces


Product Dimensions: ‎11.63 x 10.44 x 1.75 inches


Country of Origin: ‎USA


Item model number: ‎33-2209


Is Discontinued By Manufacturer: ‎No


Exterior: ‎Machined


Manufacturer Part Number: ‎33-2209


OEM Part Number: ‎33-2209


Date First Available: February 13, 2005


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Jun 16

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

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Top Amazon Reviews

    • Low cost/high quality
If you need to replace your intake filter, this is a really good one. I like that I can clean and reuse it. After 2 cleanings it will have paid for itself in disposable filters. You won't notice a huge performance difference, for that you need to address restrictions on the exhaust side as well, but there is a little more throttle response, which is nice. I use K&N filters on all of my vehicles. They provide an excellent value and usually let the engine produce a little more power with slightly less pressure on the gas pedal. ... show more
Reviewed in the United States on September 26, 2023 by Rob B.
    • The air filter works perfectly on my Audi A4 2.0T Quattro (B7)
This K&N air filter worked and fit perfectly on my Audi A4 2.0T Quattro. The installation was a breeze, though honestly I could have done it myself, I sent it to be installed at a nearby workshop and get the air box cleaned - simply because I was rushing to get them done and go to work :) I do feel the car's acceleration is smoother and I would always push it harder and faster especially on clear roads and on highways. In short, I'm glad I bought it and I will get the K&N's air filter cleaning kit to clean it when the time comes, which won't be that soon. In the long run, I can see I'd save some cash from changing the air filter from scratch. ... show more
Reviewed in the United States on February 25, 2013 by Fathil Shahab
    • Good filter, but Audi hates it
Fits a 2006 Audi S4, but it throws cel codes because Audi is just finicky. The idle rpm's are where the problem occasionally occurs because it's letting too much air in. Not much of a performace boost you can feel, but I didn't expect that. It still does its job, but I'll be removing mine just because I don't like cel lights being on and the oil will cause me to clean my maf sensor more frequently. It's easy to see why this filter would cause problems just comparing it to the stock filter which has 2 sizes of paper whereas this unit is flat and the same size. ... show more
Reviewed in the United States on July 1, 2020 by BWG
    • Bottom line here is it's a great product
I've been using one for two years in a 2006 A4 2.0 L Turbo Quatro and it has not only increased in HP it has also increased mileage. I think it is a bit on the thin side compared to the stock OEM air filter it replaces but I've not had any problems with it. I'm now getting anywhere from 30 to 37 MPG depending on weather conditions and how I drive. I'm a bit skeptical on cleaning the air filter by washing it and using a re-oiling kit. By the time you pay for the kit and messy job of cleaning it and re-oiling it, you might as well by a new air filter. Bottom line here is it's a great product. That said, I must warn about using their oil filters. That last one I used collapsed and let the oil pass unfiltered. ... show more
Reviewed in the United States on November 10, 2014 by SPY
    • noticeable difference
I have replace my stock air filter with the K&N filter and notice a difference in my low end torque. It is improved and has made the car more responsive w/ a nice deep growl to sooth the ears. Very pleased w/ the upgrade to my Audi.
Reviewed in the United States on November 20, 2010 by Alexander J. Takacs III
    • great product
Installation was easy, i just looked up filter install on youtube for my b7. Engine seems to be more responsive especially in sport mode. I also like that it is a washable filter and for an out of pocket cost of 40 bucks it will last the life of the car instead of paying an audi dealer 100 bucks each time you need a stock one. There are so called cold air intakes for this car, but the stock intake is a cold air intake. It takes in air from the front grill, hence the cold air. In my opinion this filter change is worth the money and i can notice greater performance. Good job k&n ... show more
Reviewed in the United States on December 28, 2013 by richard matthies
    • It's a K&N.
It does what a K&N is supposed to do. On most cars, though, if you are just using a drop-in-filter your gains in power and mpg's aren't going to be all that huge, crazy or even noticeable. So do not expect miracles. If your stock Veloster didn't beat that Hellcat last weekend, I don't think this will help much. ... show more
Reviewed in the United States on June 23, 2021 by Donald Nicholas
    • Fits well in a stock 06 Audi A4 2.0T airbox
A tight but good fit into the stock airbox. K&N makes good filters and are even factory items on some motors (LS1 in our boat came from the factory with a K&N). Nothing to do with this filter, but make sure to take a vacuum and suck out all of the debris in the filter housing and inlet tubes, as a lot can collect in them. Also, take come compressed air and blow out the "snow screen" on the filter tube you had to remove to get to the filter. ... show more
Reviewed in the United States on September 18, 2011 by Nitrousbird

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