If you want to add more performance to your Audi S4 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 S4 air filter. K&N air filters are the industry standard in performance filters and Slickcar.com offers a complete line for your S4. With the Million Mile guarantee you will never need to buy another air filter for your Audi S4 . 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 12 K&N Air Filters Products Available

Products 1 to 12

Audi S4 2009-2009 4.2l V8 F/I K&N Replacement Air Filter

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K&N Air Filter Fits 2009 Audi S4

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

Audi S4 2005-2008 4.2l V8 F/I K&N Replacement Air Filter

�(33-2209)

K&N Air Filter Fits 2005 2006 2007 2008 Audi S4

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

Audi S4 2009-2010 3.0l V6 F/I K&N Replacement Air Filter

�(E-1987)

K&N Air Filter Fits 2009 2010 Audi S4

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

Audi S4 2000-2002 2.7l V6 F/I K&N Replacement Air Filter

�(33-2125)

K&N Air Filter Fits 2000 2001 2002 Audi S4

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

Audi S4 1997-1999 2.7l V6 F/I K&N Replacement Air Filter

�(33-2125)

K&N Air Filter Fits 1997 1998 1999 Audi S4

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

Audi S4 1994-1994 2.3l L5 F/I Turbo, 20v K&N Replacement Air Filter

�(33-2029)

K&N Air Filter Fits 1994 Audi S4

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

Audi S4 1993-1993 2.3l L5 F/I 20v, Turbo K&N Replacement Air Filter

�(33-2029)

K&N Air Filter Fits 1993 Audi S4

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

Audi S4 1992-1994 2.2l L5 F/I K&N Replacement Air Filter

�(33-2029)

K&N Air Filter Fits 1992 1993 1994 Audi S4

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

Audi S4 2009-2009 R 4.2l V8 F/I K&N Replacement Air Filter

�(33-2209)

K&N Air Filter Fits 2009 Audi S4

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

Audi S4 2007-2008 R 4.2l V8 F/I K&N Replacement Air Filter

�(33-2209)

K&N Air Filter Fits 2007 2008 Audi S4

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

Audi S4 2005-2006 R 4.2l V8 F/I K&N Replacement Air Filter

�(33-2209)

K&N Air Filter Fits 2005 2006 Audi S4

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

Audi S4 2000-2003 R 2.7l V6 F/I K&N Replacement Air Filter

�(33-2125)

K&N Air Filter Fits 2000 2001 2002 2003 Audi S4

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

Products 1 to 12

We Carry K&N Air Filters for these Audi S4 Years

2010, 2009, 2008, 2007, 2006, 2005, 2003, 2002, 2001, 2000, 1999, 1998, 1997, 1994, 1993, 1992, 10, 09, 08, 07, 06, 05, 03, 02, 01, 00, 99, 98, 97, 94, 93, 92.