K&N 33-2209 Air Filter

Replacement Filters / Replacement Air Filter
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$54.99 USD
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Product Overview

  • 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®
The K&N 33-2209 Air Filter fits some Audi A4, Audi A4 Cabriolet, Audi A4 Quattro, Audi A4 Quattro Cabriolet, Audi Cabriolet, Audi Quattro, Audi RS4, Audi S4, and Seat Exeo models. See vehicle applications link for details.
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 Information on K&N Replacement Air Filters]
Air Filter ShapePanel
Filter MaterialCotton Gauze
Height1.125 in (29 mm)
Outside Length10.313 in (262 mm)
Outside Width8.25 in (210 mm)
Package Contents1 Air Filter
Package Quantity1
Warranty1,000,000 Miles/10 Year
Product StylePanel Air Filter
Weight0.9 lb (0.4 kg)
Filter Re-Oiling Amount1.37 oz (40 ml)
Product Box Height11.56 in (294 mm)
Product Box Length10.44 in (265 mm)
Product Box Width1.75 in (44 mm)
WARNING: Cancer and reproductive

K&N 33-2209 Air Filter Product Reviews

Friday, August 3, 2018 - Part 33-2209
Professional service & delivered as expected and on time. It was an easy buying experience.

John Patrick
Miami Beach, Florida
Friday, July 6, 2018 - Part 33-2209
filtre à air de remplacement pour audi a4 avant 1.9tdi quattro , j'ai trouver un léger gain de puissance à l'accélèration . j'ai aussi mon autre véhicule vw bora break 1.9 tdi équipé d'un filtre KN de remplacement. pareil un léger gain à l'accélèration.

Renaud Leclanche
Saint Hilaire La Croix, France
Tuesday, June 19, 2018 - Part 33-2209
I have K&N filters in my Yamaha FJR 1300, as well as an 2005 Audi A6 with a 4.2L V8 (with 100k on the filter). Just installed one in my 2008 Audi S4 with a supercharged 4.2L V8. Looking forward to seeing the results in performance.

Portland, Oregon