Subaru WRX Replacement Air Filters

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

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

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

  1. 2026 Subaru WRX 2.4L H4 Gas air filter
    $62.99 Regular Price $50.39 Special Price
    AEM-28-50064
    K&N
  2. 2026 Subaru WRX 2.4L H4 Gas air filter
    $68.99 Regular Price $55.19 Special Price
    33-5064
    K&N
  3. 2026 Subaru WRX 2.4L H4 Gas air filter
    $36.99 Regular Price $29.59 Special Price
    KNX-5064
    K&N
  4. 2026 Subaru WRX 2.4L H4 Gas air filter
    $20.99 Regular Price $16.79 Special Price
    KNA-5064
    K&N
  5. 2025 Subaru WRX 2.4L H4 Gas air filter
    $62.99 Regular Price $50.39 Special Price
    AEM-28-50064
    K&N
  6. 2025 Subaru WRX 2.4L H4 Gas air filter
    $36.99 Regular Price $29.59 Special Price
    KNX-5064
    K&N
  7. 2025 Subaru WRX 2.4L H4 Gas air filter
    $68.99 Regular Price $55.19 Special Price
    33-5064
    K&N
  8. 2025 Subaru WRX 2.4L H4 Gas air filter
    $20.99 Regular Price $16.79 Special Price
    KNA-5064
    K&N
  9. 2024 Subaru WRX 2.4L H4 Gas air filter
    $62.99 Regular Price $50.39 Special Price
    AEM-28-50064
    K&N
  10. 2024 Subaru WRX 2.4L H4 Gas air filter
    $36.99 Regular Price $29.59 Special Price
    KNX-5064
    K&N
  11. 2024 Subaru WRX 2.4L H4 Gas air filter
    $20.99 Regular Price $16.79 Special Price
    KNA-5064
    K&N
  12. 2024 Subaru WRX 2.4L H4 Gas air filter
    $68.99 Regular Price $55.19 Special Price
    33-5064
    K&N
  13. 2023 Subaru WRX 2.4L H4 Gas air filter
    $62.99 Regular Price $50.39 Special Price
    AEM-28-50064
    K&N
  14. 2023 Subaru WRX 2.4L H4 Gas air filter
    $68.99 Regular Price $55.19 Special Price
    33-5064
    K&N
  15. 2023 Subaru WRX 2.4L H4 Gas air filter
    $20.99 Regular Price $16.79 Special Price
    KNA-5064
    K&N
  16. 2023 Subaru WRX 2.4L H4 Gas air filter
    $36.99 Regular Price $29.59 Special Price
    KNX-5064
    K&N
  17. 2022 Subaru WRX 2.4L H4 Gas air filter
    $62.99 Regular Price $50.39 Special Price
    AEM-28-50064
    K&N
  18. 2022 Subaru WRX 2.4L H4 Gas air filter
    $36.99 Regular Price $29.59 Special Price
    KNX-5064
    K&N
  19. 2022 Subaru WRX 2.4L H4 Gas air filter
    $20.99 Regular Price $16.79 Special Price
    KNA-5064
    K&N
  20. 2022 Subaru WRX 2.4L H4 Gas air filter
    $68.99 Regular Price $55.19 Special Price
    33-5064
    K&N
  21. 2021 Subaru WRX 2.0L H4 Gas air filter
    $20.99 Regular Price $16.79 Special Price
    KNA-2304
    K&N
  22. 2021 Subaru WRX 2.0L H4 Gas air filter
    $36.99 Regular Price $29.59 Special Price
    KNX-2304
    K&N
  23. 2021 Subaru WRX 2.0L H4 Gas air filter
    $68.99 Regular Price $55.19 Special Price
    33-2304
    K&N
  24. 2020 Subaru WRX 2.0L H4 Gas air filter
    $36.99 Regular Price $29.59 Special Price
    KNX-2304
    K&N
  25. 2020 Subaru WRX 2.0L H4 Gas air filter
    $20.99 Regular Price $16.79 Special Price
    KNA-2304
    K&N
  26. 2020 Subaru WRX 2.0L H4 Gas air filter
    $68.99 Regular Price $55.19 Special Price
    33-2304
    K&N
  27. 2019 Subaru WRX 2.0L H4 Gas air filter
    $20.99 Regular Price $16.79 Special Price
    KNA-2304
    K&N
  28. 2019 Subaru WRX 2.0L H4 Gas air filter
    $36.99 Regular Price $29.59 Special Price
    KNX-2304
    K&N
  29. 2019 Subaru WRX 2.0L H4 Gas air filter
    $68.99 Regular Price $55.19 Special Price
    33-2304
    K&N
  30. 2018 Subaru WRX 2.0L H4 Gas air filter
    $20.99 Regular Price $16.79 Special Price
    KNA-2304
    K&N
  31. 2018 Subaru WRX 2.0L H4 Gas air filter
    $36.99 Regular Price $29.59 Special Price
    KNX-2304
    K&N
  32. 2018 Subaru WRX 2.0L H4 Gas air filter
    $68.99 Regular Price $55.19 Special Price
    33-2304
    K&N
  33. 2017 Subaru WRX 2.0L H4 Gas air filter
    $36.99 Regular Price $29.59 Special Price
    KNX-2304
    K&N
  34. 2017 Subaru WRX 2.0L H4 Gas air filter
    $20.99 Regular Price $16.79 Special Price
    KNA-2304
    K&N
  35. 2017 Subaru WRX 2.0L H4 Gas air filter
    $68.99 Regular Price $55.19 Special Price
    33-2304
    K&N
  36. 2016 Subaru WRX 2.0L H4 Gas air filter
    $36.99 Regular Price $29.59 Special Price
    KNX-2304
    K&N
  37. 2016 Subaru WRX 2.0L H4 Gas air filter
    $20.99 Regular Price $16.79 Special Price
    KNA-2304
    K&N
  38. 2016 Subaru WRX 2.0L H4 Gas air filter
    $68.99 Regular Price $55.19 Special Price
    33-2304
    K&N
  39. 2015 Subaru WRX 2.0L H4 Gas air filter
    $20.99 Regular Price $16.79 Special Price
    KNA-2304
    K&N
  40. 2015 Subaru WRX 2.0L H4 Gas air filter
    $68.99 Regular Price $55.19 Special Price
    33-2304
    K&N
  41. 2015 Subaru WRX 2.0L H4 Gas air filter
    $36.99 Regular Price $29.59 Special Price
    KNX-2304
    K&N
  42. 2014 Subaru WRX 2.5L H4 Gas air filter
    $62.99 Regular Price $50.39 Special Price
    AEM-28-20304
    K&N
  43. 2014 Subaru WRX 2.5L H4 Gas air filter
    $20.99 Regular Price $16.79 Special Price
    KNA-2304
    K&N
  44. 2014 Subaru WRX 2.5L H4 Gas air filter
    $36.99 Regular Price $29.59 Special Price
    KNX-2304
    K&N
  45. 2014 Subaru WRX 2.5L H4 Gas air filter
    $68.99 Regular Price $55.19 Special Price
    33-2304
    K&N
  46. 2013 Subaru WRX 2.5L H4 Gas air filter
    $68.99 Regular Price $55.19 Special Price
    33-2304
    K&N
  47. 2013 Subaru WRX 2.5L H4 Gas air filter
    $62.99 Regular Price $50.39 Special Price
    AEM-28-20304
    K&N
  48. 2013 Subaru WRX 2.5L H4 Gas air filter
    $36.99 Regular Price $29.59 Special Price
    KNX-2304
    K&N
  49. 2013 Subaru WRX 2.5L H4 Gas air filter
    $20.99 Regular Price $16.79 Special Price
    KNA-2304
    K&N
  50. 2012 Subaru WRX 2.5L H4 Gas air filter
    $62.99 Regular Price $50.39 Special Price
    AEM-28-20304
    K&N
  51. 2012 Subaru WRX 2.5L H4 Gas air filter
    $20.99 Regular Price $16.79 Special Price
    KNA-2304
    K&N
  52. 2012 Subaru WRX 2.5L H4 Gas air filter
    $36.99 Regular Price $29.59 Special Price
    KNX-2304
    K&N
  53. 2012 Subaru WRX 2.5L H4 Gas air filter
    $68.99 Regular Price $55.19 Special Price
    33-2304
    K&N
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