If you want to add more performance to your Audi A4 a K&N performance air filter will do the job. K&N air filters use a washable and reusable filter element that out flows your factory Audi A4 air filter. K&N air filters are the industry standard in performance filters and Slickcar.com offers a complete line for your A4. With the Million Mile guarantee you will never need to buy another air filter for your Audi A4 . If you can�t find the correct K&N performance filter for your Audi please call us toll free at 1-800-780-1409.

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There Are 52 K&N Air Filters Products Available

Products 1 to 52

Audi A4 2009-2009 Quattro 3.2l V6 F/I Exc. Cabriolet K&N Replacement Air Filter

�(E-1987)

K&N Air Filter Fits 2009 Audi A4

MSRP: ~~$85.49~~ - Just: $56.99 Each

Audi A4 2008-2008 Quattro 3.2l V6 F/I K&N Replacement Air Filter

�(33-2209)

K&N Air Filter Fits 2008 Audi A4

MSRP: ~~$73.49~~ - Just: $48.99 Each

Audi A4 2009-2009 Quattro 3.2l V6 F/I Cabriolet K&N Replacement Air Filter

�(33-2209)

K&N Air Filter Fits 2009 Audi A4

MSRP: ~~$73.49~~ - Just: $48.99 Each

Audi A4 2005-2007 Quattro 3.2l V6 F/I K&N Replacement Air Filter

�(33-2209)

K&N Air Filter Fits 2005 2006 2007 Audi A4

MSRP: ~~$73.49~~ - Just: $48.99 Each

Audi A4 2002-2006 Quattro 3.0l V6 F/I K&N Replacement Air Filter

�(33-2209)

K&N Air Filter Fits 2002 2003 2004 2005 2006 Audi A4

MSRP: ~~$73.49~~ - Just: $48.99 Each

Audi A4 1996-2001 Quattro 2.8l V6 F/I K&N Replacement Air Filter

�(33-2125)

K&N Air Filter Fits 1996 1997 1998 1999 2000 2001 Audi A4

MSRP: ~~$73.49~~ - Just: $48.99 Each

Audi A4 2009-2009 Quattro 2.0l L4 F/I Exc. Cabriolet K&N Replacement Air Filter

�(33-2945)

K&N Air Filter Fits 2009 Audi A4

MSRP: ~~$74.99~~ - Just: $49.99 Each

Audi A4 2008-2008 Quattro 2.0l L4 F/I K&N Replacement Air Filter

�(33-2209)

K&N Air Filter Fits 2008 Audi A4

MSRP: ~~$73.49~~ - Just: $48.99 Each

Audi A4 2009-2009 Quattro 2.0l L4 F/I Cabriolet K&N Replacement Air Filter

�(33-2209)

K&N Air Filter Fits 2009 Audi A4

MSRP: ~~$73.49~~ - Just: $48.99 Each

Audi A4 2005-2007 Quattro 2.0l L4 F/I K&N Replacement Air Filter

�(33-2209)

K&N Air Filter Fits 2005 2006 2007 Audi A4

MSRP: ~~$73.49~~ - Just: $48.99 Each

Audi A4 2002-2005 Quattro 1.8l L4 F/I K&N Replacement Air Filter

�(33-2209)

K&N Air Filter Fits 2002 2003 2004 2005 Audi A4

MSRP: ~~$73.49~~ - Just: $48.99 Each

Audi A4 1997-2001 Quattro 1.8l L4 F/I K&N Replacement Air Filter

�(33-2125)

K&N Air Filter Fits 1997 1998 1999 2000 2001 Audi A4

MSRP: ~~$73.49~~ - Just: $48.99 Each

Audi A4 1997-1999 Quattro 1.8l L4 F/I K&N Replacement Air Filter

�(33-2125)

K&N Air Filter Fits 1997 1998 1999 Audi A4

MSRP: ~~$73.49~~ - Just: $48.99 Each

Audi A4 2008-2009 4.2l V8 F/I K&N Replacement Air Filter

�(E-1987)

K&N Air Filter Fits 2008 2009 Audi A4

MSRP: ~~$85.49~~ - Just: $56.99 Each

Audi A4 2006-2007 3.2l V6 F/I K&N Replacement Air Filter

�(33-2209)

K&N Air Filter Fits 2006 2007 Audi A4

MSRP: ~~$73.49~~ - Just: $48.99 Each

Audi A4 2005-2005 3.2l V6 F/I K&N Replacement Air Filter

�(33-2209)

K&N Air Filter Fits 2005 Audi A4

MSRP: ~~$73.49~~ - Just: $48.99 Each

Audi A4 2009-2009 3.0l V6 F/I K&N Replacement Air Filter

�(E-1987)

K&N Air Filter Fits 2009 Audi A4

MSRP: ~~$85.49~~ - Just: $56.99 Each

Audi A4 2002-2005 3.0l V6 F/I K&N Replacement Air Filter

�(33-2209)

K&N Air Filter Fits 2002 2003 2004 2005 Audi A4

MSRP: ~~$73.49~~ - Just: $48.99 Each

Audi A4 2000-2008 3.0l V6 F/I K&N Replacement Air Filter

�(33-2209)

K&N Air Filter Fits 2000 2001 2002 2003 2004 2005 2006 2007 2008 Audi A4

MSRP: ~~$73.49~~ - Just: $48.99 Each

Audi A4 2008-2009 3.0l V6 Dsl K&N Replacement Air Filter

�(E-1987)

K&N Air Filter Fits 2008 2009 Audi A4

MSRP: ~~$85.49~~ - Just: $56.99 Each

Audi A4 2004-2007 3.0l V6 Dsl K&N Replacement Air Filter

�(33-2209)

K&N Air Filter Fits 2004 2005 2006 2007 Audi A4

MSRP: ~~$73.49~~ - Just: $48.99 Each

Audi A4 1996-2001 2.8l V6 F/I K&N Replacement Air Filter

�(33-2125)

K&N Air Filter Fits 1996 1997 1998 1999 2000 2001 Audi A4

MSRP: ~~$73.49~~ - Just: $48.99 Each

Audi A4 1994-1995 2.8l V6 F/I K&N Replacement Air Filter

�(33-2125)

K&N Air Filter Fits 1994 1995 Audi A4

MSRP: ~~$73.49~~ - Just: $48.99 Each

Audi A4 1998-2003 2.7l V6 F/I K&N Replacement Air Filter

�(33-2125)

K&N Air Filter Fits 1998 1999 2000 2001 2002 2003 Audi A4

MSRP: ~~$73.49~~ - Just: $48.99 Each

Audi A4 2008-2009 2.7l V6 Dsl K&N Replacement Air Filter

�(E-1987)

K&N Air Filter Fits 2008 2009 Audi A4

MSRP: ~~$85.49~~ - Just: $56.99 Each

Audi A4 2005-2007 2.7l V6 Dsl K&N Replacement Air Filter

�(33-2209)

K&N Air Filter Fits 2005 2006 2007 Audi A4

MSRP: ~~$73.49~~ - Just: $48.99 Each

Audi A4 1994-2001 2.6l V6 F/I K&N Replacement Air Filter

�(33-2125)

K&N Air Filter Fits 1994 1995 1996 1997 1998 1999 2000 2001 Audi A4

MSRP: ~~$73.49~~ - Just: $48.99 Each

Audi A4 2002-2005 2.5l V6 Dsl K&N Replacement Air Filter

�(33-2209)

K&N Air Filter Fits 2002 2003 2004 2005 Audi A4

MSRP: ~~$73.49~~ - Just: $48.99 Each

Audi A4 2000-2001 2.5l V6 Dsl 155/163/180bhp K&N Replacement Air Filter

�(33-2209)

K&N Air Filter Fits 2000 2001 Audi A4

MSRP: ~~$73.49~~ - Just: $48.99 Each

Audi A4 1998-1999 2.5l V6 Dsl K&N Replacement Air Filter

�(33-2125)

K&N Air Filter Fits 1998 1999 Audi A4

MSRP: ~~$73.49~~ - Just: $48.99 Each

Products 1 to 52

We Carry K&N Air Filters for these Audi A4 Years

2009, 2008, 2007, 2006, 2005, 2004, 2003, 2002, 2001, 2000, 1999, 1998, 1997, 1996, 1995, 1994, 09, 08, 07, 06, 05, 04, 03, 02, 01, 00, 99, 98, 97, 96, 95, 94.