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Audi RS4 Replacement Air Filters

Buy now from K&N's Online Store and get a 100% money back guarantee on any Audi RS4 air filter!

  • Designed to Increase Horsepower and Acceleration
  • High Air Flow with Excellent Filtration
  • Top Performance Accessory for Audi RS4 Models
  • K&N Million Mile Limited Warranty®

Order your K&N replacement air filter Factory Direct today! Help your Audi RS4 run better. Fast and FREE SHIPPING with any Audi RS4 air filter

  1. 2024 Audi RS4 2.9L V6 Gas air filter
    ISK 14,479.04
    E-0646
    K&N
  2. 2023 Audi RS4 2.9L V6 Gas air filter
    ISK 14,479.04
    E-0646
    K&N
  3. 2022 Audi RS4 2.9L V6 Gas air filter
    ISK 14,479.04
    E-0646
    K&N
  4. 2021 Audi RS4 2.9L V6 Gas air filter
    ISK 14,479.04
    E-0646
    K&N
  5. 2020 Audi RS4 2.9L V6 Gas air filter
    ISK 14,479.04
    E-0646
    K&N
  6. 2019 Audi RS4 2.9L V6 Gas air filter
    ISK 14,479.04
    E-0646
    K&N
  7. 2018 Audi RS4 2.9L V6 Gas air filter
    ISK 14,479.04
    E-0646
    K&N
  8. 2017 Audi RS4 2.9L V6 Gas air filter
    ISK 14,479.04
    E-0646
    K&N
  9. 2015 Audi RS4 4.2L V8 Gas air filter
    ISK 11,341.45
    33-3032
    K&N
  10. 2015 Audi RS4 4.2L V8 Gas air filter
    ISK 11,341.45
    33-3031
    K&N
  11. 2014 Audi RS4 4.2L V8 Gas air filter
    ISK 11,341.45
    33-3031
    K&N
  12. 2014 Audi RS4 4.2L V8 Gas air filter
    ISK 11,341.45
    33-3032
    K&N
  13. 2013 Audi RS4 4.2L V8 Gas air filter
    ISK 11,341.45
    33-3032
    K&N
  14. 2013 Audi RS4 4.2L V8 Gas air filter
    ISK 11,341.45
    33-3031
    K&N
  15. 2012 Audi RS4 4.2L V8 Gas air filter
    ISK 11,341.45
    33-3032
    K&N
  16. 2012 Audi RS4 4.2L V8 Gas air filter
    ISK 11,341.45
    33-3031
    K&N
  17. 2009 Audi RS4 4.2L V8 Gas air filter
    ISK 3,064.59
    KNA-2209
    K&N LONG LIFE 18,000 MILE ENGINE AIR FILTER - AUDI A4/RS4/S4/ SEAT EXEO
  18. 2009 Audi RS4 4.2L V8 Gas air filter
    ISK 11,341.45
    33-2209
    K&N
  19. 2008 Audi RS4 4.2L V8 Gas air filter
    ISK 3,064.59
    KNA-2209
    K&N LONG LIFE 18,000 MILE ENGINE AIR FILTER - AUDI A4/RS4/S4/ SEAT EXEO
  20. 2008 Audi RS4 4.2L V8 Gas air filter
    ISK 11,341.45
    33-2209
    K&N
  21. 2007 Audi RS4 4.2L V8 Gas air filter
    ISK 3,064.59
    KNA-2209
    K&N LONG LIFE 18,000 MILE ENGINE AIR FILTER - AUDI A4/RS4/S4/ SEAT EXEO
  22. 2007 Audi RS4 4.2L V8 Gas air filter
    ISK 11,341.45
    33-2209
    K&N
  23. 2006 Audi RS4 4.2L V8 Gas air filter
    ISK 3,064.59
    KNA-2209
    K&N LONG LIFE 18,000 MILE ENGINE AIR FILTER - AUDI A4/RS4/S4/ SEAT EXEO
  24. 2006 Audi RS4 4.2L V8 Gas air filter
    ISK 11,341.45
    33-2209
    K&N
  25. 2005 Audi RS4 4.2L V8 Gas air filter
    ISK 3,064.59
    KNA-2209
    K&N LONG LIFE 18,000 MILE ENGINE AIR FILTER - AUDI A4/RS4/S4/ SEAT EXEO
  26. 2005 Audi RS4 4.2L V8 Gas air filter
    ISK 11,341.45
    33-2209
    K&N
  27. 2003 Audi RS4 2.7L V6 Gas air filter
    ISK 3,064.59
    KNA-2125
    K&N LONG LIFE 18,000 MILE ENGINE AIR FILTER - AUDI / SKODA / VW
  28. 2003 Audi RS4 2.7L V6 Gas air filter
    ISK 11,341.45
    33-2125
    K&N
  29. 2002 Audi RS4 2.7L V6 Gas air filter
    ISK 11,341.45
    33-2125
    K&N
  30. 2001 Audi RS4 2.7L V6 Gas air filter
    ISK 11,341.45
    33-2125
    K&N
  31. 2001 Audi RS4 2.7L V6 Gas air filter
    ISK 3,064.59
    KNA-2125
    K&N LONG LIFE 18,000 MILE ENGINE AIR FILTER - AUDI / SKODA / VW
  32. 2000 Audi RS4 2.7L V6 Gas air filter
    ISK 3,064.59
    KNA-2125
    K&N LONG LIFE 18,000 MILE ENGINE AIR FILTER - AUDI / SKODA / VW
  33. 2000 Audi RS4 2.7L V6 Gas air filter
    ISK 11,341.45
    33-2125
    K&N
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