K&N High-Flow Air Filter — Fits 1996-2001 Audi A4/A6, 1996-2000 VW Passat

SKU: KNN33-2125
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About K&N Engineering

K&N has been the world's leader in washable, reusable performance air filters since 1969. From the legendary cone filter to complete cold-air intake systems, K&N's cotton-gauze element delivers more airflow than paper while staying serviceable for the life of the vehicle.

Watch in action

K&N High-Flow Replacement Air Filter for Select Audi & Volkswagen Models

Enhance the performance of your compatible Audi or Volkswagen vehicle with the K&N 33-2125 High-Flow Replacement Air Filter. This premium filter is engineered to deliver superior airflow, allowing your engine to breathe easier and perform at its peak. Featuring K&N's renowned oiled cotton gauze filtration, it effectively traps harmful contaminants while maximizing the volume of clean air entering your engine, potentially leading to increased horsepower and better fuel efficiency.

Why Choose K&N 33-2125?

  • Optimized Airflow: Designed to increase airflow compared to standard paper filters, boosting engine performance.
  • Durable Filtration: The multi-layered cotton media provides excellent protection against engine-damaging particles.
  • Washable and Reusable: This filter is designed to be cleaned and reused, offering a sustainable and economical choice for your vehicle.
  • Direct Fit Replacement: Installs easily into the factory air box, ensuring a hassle-free upgrade.
  • Long Lifespan: Built to last for the entire lifespan of your vehicle, backed by K&N's 10-year/1-million mile limited warranty.

This K&N air filter is compatible with a range of Audi models including the A4 (1996-2001), A4 Quattro (1996-2001), and A6 (1998-2000), as well as Volkswagen Passat (1996-2000). Give your European sedan the airflow it deserves. Experience the performance benefits and lasting quality of K&N. Purchase your 33-2125 filter at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1996-2001 Audi A4 Base
1998 Audi A4 Avant
1996-2001 Audi A4 Quattro Base
1998-2001 Audi A4 Quattro Avant
1998-2004 Audi A6 Base
1998-2004 Audi A6 Quattro Avant
1998-2004 Audi A6 Quattro Base
2001-2005 Audi Allroad Quattro Base
2000-2002 Audi S4 Base
2002-2003 Audi S6 Avant
2000-2006 BMW X5 4.4i
2002-2003 BMW X5 4.6is
2004-2006 BMW X5 4.8is
2002 BMW Z8 Base
1996-2005 Volkswagen Passat GLX
1998-2005 Volkswagen Passat GLS
2000 Volkswagen Passat 4 Motion
2001-2002 Volkswagen Passat GLS 4 Motion
2001-2005 Volkswagen Passat GLX 4 Motion
2002-2004 Volkswagen Passat W8
2003-2005 Volkswagen Passat GL
2004-2005 Volkswagen Passat GLS 4 Motion
2004-2005 Volkswagen Passat GLS TDI
2006-2007 Volkswagen Passat 2.0T
2006-2007 Volkswagen Passat Value Edition
2007 Volkswagen Passat Wolfsburg Edition
2008 Volkswagen Passat Lux
2008 Volkswagen Passat Turbo

Product Details

Product Description
Part Numbers
Sizing & Fit

About K&N Engineering

K&N has been the world's leader in washable, reusable performance air filters since 1969. From the legendary cone filter to complete cold-air intake systems, K&N's cotton-gauze element delivers more airflow than paper while staying serviceable for the life of the vehicle.

Watch in action

K&N High-Flow Replacement Air Filter for Select Audi & Volkswagen Models

Enhance the performance of your compatible Audi or Volkswagen vehicle with the K&N 33-2125 High-Flow Replacement Air Filter. This premium filter is engineered to deliver superior airflow, allowing your engine to breathe easier and perform at its peak. Featuring K&N's renowned oiled cotton gauze filtration, it effectively traps harmful contaminants while maximizing the volume of clean air entering your engine, potentially leading to increased horsepower and better fuel efficiency.

Why Choose K&N 33-2125?

  • Optimized Airflow: Designed to increase airflow compared to standard paper filters, boosting engine performance.
  • Durable Filtration: The multi-layered cotton media provides excellent protection against engine-damaging particles.
  • Washable and Reusable: This filter is designed to be cleaned and reused, offering a sustainable and economical choice for your vehicle.
  • Direct Fit Replacement: Installs easily into the factory air box, ensuring a hassle-free upgrade.
  • Long Lifespan: Built to last for the entire lifespan of your vehicle, backed by K&N's 10-year/1-million mile limited warranty.

This K&N air filter is compatible with a range of Audi models including the A4 (1996-2001), A4 Quattro (1996-2001), and A6 (1998-2000), as well as Volkswagen Passat (1996-2000). Give your European sedan the airflow it deserves. Experience the performance benefits and lasting quality of K&N. Purchase your 33-2125 filter at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1996-2001 Audi A4 Base
1998 Audi A4 Avant
1996-2001 Audi A4 Quattro Base
1998-2001 Audi A4 Quattro Avant
1998-2004 Audi A6 Base
1998-2004 Audi A6 Quattro Avant
1998-2004 Audi A6 Quattro Base
2001-2005 Audi Allroad Quattro Base
2000-2002 Audi S4 Base
2002-2003 Audi S6 Avant
2000-2006 BMW X5 4.4i
2002-2003 BMW X5 4.6is
2004-2006 BMW X5 4.8is
2002 BMW Z8 Base
1996-2005 Volkswagen Passat GLX
1998-2005 Volkswagen Passat GLS
2000 Volkswagen Passat 4 Motion
2001-2002 Volkswagen Passat GLS 4 Motion
2001-2005 Volkswagen Passat GLX 4 Motion
2002-2004 Volkswagen Passat W8
2003-2005 Volkswagen Passat GL
2004-2005 Volkswagen Passat GLS 4 Motion
2004-2005 Volkswagen Passat GLS TDI
2006-2007 Volkswagen Passat 2.0T
2006-2007 Volkswagen Passat Value Edition
2007 Volkswagen Passat Wolfsburg Edition
2008 Volkswagen Passat Lux
2008 Volkswagen Passat Turbo

Product Details

Product Description

About K&N Engineering

K&N has been the world's leader in washable, reusable performance air filters since 1969. From the legendary cone filter to complete cold-air intake systems, K&N's cotton-gauze element delivers more airflow than paper while staying serviceable for the life of the vehicle.

Watch in action

K&N High-Flow Replacement Air Filter for Select Audi & Volkswagen Models

Enhance the performance of your compatible Audi or Volkswagen vehicle with the K&N 33-2125 High-Flow Replacement Air Filter. This premium filter is engineered to deliver superior airflow, allowing your engine to breathe easier and perform at its peak. Featuring K&N's renowned oiled cotton gauze filtration, it effectively traps harmful contaminants while maximizing the volume of clean air entering your engine, potentially leading to increased horsepower and better fuel efficiency.

Why Choose K&N 33-2125?

  • Optimized Airflow: Designed to increase airflow compared to standard paper filters, boosting engine performance.
  • Durable Filtration: The multi-layered cotton media provides excellent protection against engine-damaging particles.
  • Washable and Reusable: This filter is designed to be cleaned and reused, offering a sustainable and economical choice for your vehicle.
  • Direct Fit Replacement: Installs easily into the factory air box, ensuring a hassle-free upgrade.
  • Long Lifespan: Built to last for the entire lifespan of your vehicle, backed by K&N's 10-year/1-million mile limited warranty.

This K&N air filter is compatible with a range of Audi models including the A4 (1996-2001), A4 Quattro (1996-2001), and A6 (1998-2000), as well as Volkswagen Passat (1996-2000). Give your European sedan the airflow it deserves. Experience the performance benefits and lasting quality of K&N. Purchase your 33-2125 filter at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1996-2001 Audi A4 Base
1998 Audi A4 Avant
1996-2001 Audi A4 Quattro Base
1998-2001 Audi A4 Quattro Avant
1998-2004 Audi A6 Base
1998-2004 Audi A6 Quattro Avant
1998-2004 Audi A6 Quattro Base
2001-2005 Audi Allroad Quattro Base
2000-2002 Audi S4 Base
2002-2003 Audi S6 Avant
2000-2006 BMW X5 4.4i
2002-2003 BMW X5 4.6is
2004-2006 BMW X5 4.8is
2002 BMW Z8 Base
1996-2005 Volkswagen Passat GLX
1998-2005 Volkswagen Passat GLS
2000 Volkswagen Passat 4 Motion
2001-2002 Volkswagen Passat GLS 4 Motion
2001-2005 Volkswagen Passat GLX 4 Motion
2002-2004 Volkswagen Passat W8
2003-2005 Volkswagen Passat GL
2004-2005 Volkswagen Passat GLS 4 Motion
2004-2005 Volkswagen Passat GLS TDI
2006-2007 Volkswagen Passat 2.0T
2006-2007 Volkswagen Passat Value Edition
2007 Volkswagen Passat Wolfsburg Edition
2008 Volkswagen Passat Lux
2008 Volkswagen Passat Turbo

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