K&N Replacement Air Filter

The K&N 33-2125 fits some Audi A4, Audi A4 Quattro, Audi A6, Audi A6 Quattro, Audi Allroad I, Audi Allroad Quattro, Audi RS4, Audi S4, Audi S6, Skoda Superb, and Volkswagen Passat models

Brand: K&N
Part number: 33-2125
Applications: See Compatible Vehicles
Availability: Usually dispatched within 1-2 working days
MSRP £73.07 Save 24%

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Call Us: 01773 602660
Email Us: info@prodigymotorsport.co.uk

PLEASE NOTE - For security we are not able to take orders over the phone. All orders should be placed via the website or in-store

Product Details

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. K&N make over 1,200 different replacement air filters for virtually every vehicle 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. The stock replacement air filters for street vehicles are covered by K&N's famous Million-Mile Limited Warranty and will be 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
  • Will NOT void vehicle warranty
  • Million Mile Limited Warranty


Below is a guide as to what vehicles this product will fit. If you are unsure if this will fit your vehicle, please contact us

Audi A4 (8D/B5) 1.8i 1994-2001
Audi S4/RS4 (8D/B5) 2.7i 1998-2003
Audi A4 (8D/B5) 1.9d 1994-2001
Audi A6 (4B/C5) 1.8i 1997-2004
Audi A6 (4B/C5) 2.7i 1997-2004
Audi A6/S6 (4B/C5) 4.2i 2000-2005
Audi A6 (4B/C5) 1.9d 1997-2004
Skoda Superb (3U) 1.8i 2002-2008
Skoda Superb (3U) 1.9d 2002-2008
Skoda Superb (3U) 2.0d 2005-2008
Volkswagen Passat (3B3/3B6) 1.8i 2000-2005
Volkswagen Passat (3B3/3B6) 1.9d 2000-2005
Volkswagen Passat (3B3/3B6) 2.0d 2000-2005