Audi S4 Replacement Air Filters

Buy now from K&N's Online Store and get a 100% money back guarantee on any Audi S4 air filter!

  • Designed to Increase Horsepower and Acceleration
  • High Air Flow with Excellent Filtration
  • Top Performance Accessory for Audi S4 Models
  • K&N Million Mile Limited Warranty┬«

Order your K&N replacement air filter Factory Direct today! Help your Audi S4 run better. Fast and FREE SHIPPING with any Audi S4 air filter

  1. 2023 Audi S4 3.0L V6 Diesel air filter
    $79.99 Regular Price $63.99 Special Price
    E-0646
    K&N
  2. 2022 Audi S4 3.0L V6 Diesel air filter
    $79.99 Regular Price $63.99 Special Price
    E-0646
    K&N
  3. 2021 Audi S4 3.0L V6 Diesel air filter
    $79.99 Regular Price $63.99 Special Price
    E-0646
    K&N
  4. 2018 Audi S4 3.0L V6 Gas air filter
    $79.99 Regular Price $63.99 Special Price
    E-0646
    K&N
  5. 2017 Audi S4 3.0L V6 Gas air filter
    $79.99 Regular Price $63.99 Special Price
    E-0646
    K&N
  6. 2016 Audi S4 3.0L V6 Gas air filter
    $79.99 Regular Price $63.99 Special Price
    E-1987
    K&N
  7. 2016 Audi S4 3.0L V6 Gas air filter
    $79.99 Regular Price $63.99 Special Price
    E-0646
    K&N
  8. 2015 Audi S4 3.0L V6 Gas air filter
    $79.99 Regular Price $63.99 Special Price
    E-1987
    K&N
  9. 2014 Audi S4 3.0L V6 Gas air filter
    $79.99 Regular Price $63.99 Special Price
    E-1987
    K&N
  10. 2013 Audi S4 3.0L V6 Gas air filter
    $79.99 Regular Price $63.99 Special Price
    E-1987
    K&N
  11. 2012 Audi S4 3.0L V6 Gas air filter
    $79.99 Regular Price $63.99 Special Price
    E-1987
    K&N
  12. 2011 Audi S4 3.0L V6 Gas air filter
    $79.99 Regular Price $63.99 Special Price
    E-1987
    K&N
  13. 2011 Audi S4 3.2L V6 Gas air filter
    $79.99 Regular Price $63.99 Special Price
    E-1987
    K&N
  14. 2010 Audi S4 3.0L V6 Gas air filter
    $79.99 Regular Price $63.99 Special Price
    E-1987
    K&N
  15. 2010 Audi S4 3.2L V6 Gas air filter
    $79.99 Regular Price $63.99 Special Price
    E-1987
    K&N
  16. 2009 Audi S4 4.2L V8 Gas air filter
    $64.99 Regular Price $51.99 Special Price
    33-2209
    K&N
  17. 2009 Audi S4 3.2L V6 Gas air filter
    $79.99 Regular Price $63.99 Special Price
    E-1987
    K&N
  18. 2008 Audi S4 4.2L V8 Gas air filter
    $64.99 Regular Price $51.99 Special Price
    33-2209
    K&N
  19. 2008 Audi S4 3.2L V6 Gas air filter
    $79.99 Regular Price $63.99 Special Price
    E-1987
    K&N
  20. 2007 Audi S4 4.2L V8 Gas air filter
    $64.99 Regular Price $51.99 Special Price
    33-2209
    K&N
  21. 2006 Audi S4 4.2L V8 Gas air filter
    $64.99 Regular Price $51.99 Special Price
    33-2209
    K&N
  22. 2005 Audi S4 4.2L V8 Gas air filter
    $64.99 Regular Price $51.99 Special Price
    33-2209
    K&N
  23. 2004 Audi S4 4.2L V8 Gas air filter
    $64.99 Regular Price $51.99 Special Price
    33-2209
    K&N
  24. 2003 Audi S4 4.2L V8 Gas air filter
    $64.99 Regular Price $51.99 Special Price
    33-2209
    K&N
  25. 2002 Audi S4 2.7L V6 Gas air filter
    $64.99 Regular Price $51.99 Special Price
    33-2125
    K&N
  26. 2001 Audi S4 2.7L V6 Gas air filter
    $64.99 Regular Price $51.99 Special Price
    33-2125
    K&N
  27. 2000 Audi S4 2.7L V6 Gas air filter
    $64.99 Regular Price $51.99 Special Price
    33-2125
    K&N
  28. 1999 Audi S4 2.7L V6 Gas air filter
    $64.99 Regular Price $51.99 Special Price
    33-2125
    K&N
  29. 1998 Audi S4 2.7L V6 Gas air filter
    $64.99 Regular Price $51.99 Special Price
    33-2125
    K&N
  30. 1997 Audi S4 2.7L V6 Gas air filter
    $64.99 Regular Price $51.99 Special Price
    33-2125
    K&N
  31. 1994 Audi S4 2.2L L5 Gas air filter
    $64.99 Regular Price $51.99 Special Price
    33-2029
    K&N
  32. 1993 Audi S4 2.2L L5 Gas air filter
    $64.99 Regular Price $51.99 Special Price
    33-2029
    K&N
  33. 1992 Audi S4 2.2L L5 Gas air filter
    $64.99 Regular Price $51.99 Special Price
    33-2029
    K&N
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