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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. K&N Extended Life 24,000 Mile Engine Air Filter - SUBARU IMPREZA H4-2.0L F/I
  2. K&N
  3. 2024 Subaru WRX 2.4L H4 Gas air filter
    $64.99 Regular Price $51.99 Special Price
    33-5064
    K&N
  4. K&N Extended Life 24,000 Mile Engine Air Filter - SUBARU IMPREZA H4-2.0L F/I
  5. K&N
  6. 2023 Subaru WRX 2.4L H4 Gas air filter
    $64.99 Regular Price $51.99 Special Price
    33-5064
    K&N
  7. K&N Extended Life 24,000 Mile Engine Air Filter - SUBARU IMPREZA H4-2.0L F/I
  8. K&N
  9. 2022 Subaru WRX 2.4L H4 Gas air filter
    $64.99 Regular Price $51.99 Special Price
    33-5064
    K&N
  10. K&N Long Life 18,000 Mile Engine Air Filter - SUBARU OUTBACK/LEG/ IMPREZA/ FORESTER
  11. K&N
  12. K&N Extended Life 24,000 Mile Engine Air Filter - SUBARU OUTBACK/ LEG/ IMPREZA/ FORESTER
  13. K&N Extended Life 24,000 Mile Engine Air Filter - SUBARU OUTBACK/ LEG/ IMPREZA/ FORESTER
  14. K&N Long Life 18,000 Mile Engine Air Filter - SUBARU OUTBACK/LEG/ IMPREZA/ FORESTER
  15. K&N
  16. K&N Long Life 18,000 Mile Engine Air Filter - SUBARU OUTBACK/LEG/ IMPREZA/ FORESTER
  17. K&N Extended Life 24,000 Mile Engine Air Filter - SUBARU OUTBACK/ LEG/ IMPREZA/ FORESTER
  18. K&N
  19. K&N Extended Life 24,000 Mile Engine Air Filter - SUBARU OUTBACK/ LEG/ IMPREZA/ FORESTER
  20. K&N Long Life 18,000 Mile Engine Air Filter - SUBARU OUTBACK/LEG/ IMPREZA/ FORESTER
  21. K&N
  22. K&N Extended Life 24,000 Mile Engine Air Filter - SUBARU OUTBACK/ LEG/ IMPREZA/ FORESTER
  23. K&N Long Life 18,000 Mile Engine Air Filter - SUBARU OUTBACK/LEG/ IMPREZA/ FORESTER
  24. K&N
  25. K&N Extended Life 24,000 Mile Engine Air Filter - SUBARU OUTBACK/ LEG/ IMPREZA/ FORESTER
  26. K&N Long Life 18,000 Mile Engine Air Filter - SUBARU OUTBACK/LEG/ IMPREZA/ FORESTER
  27. K&N
  28. K&N Long Life 18,000 Mile Engine Air Filter - SUBARU OUTBACK/LEG/ IMPREZA/ FORESTER
  29. K&N
  30. K&N Extended Life 24,000 Mile Engine Air Filter - SUBARU OUTBACK/ LEG/ IMPREZA/ FORESTER
  31. K&N Long Life 18,000 Mile Engine Air Filter - SUBARU OUTBACK/LEG/ IMPREZA/ FORESTER
  32. K&N Extended Life 24,000 Mile Engine Air Filter - SUBARU OUTBACK/ LEG/ IMPREZA/ FORESTER
  33. K&N
  34. K&N
  35. K&N Extended Life 24,000 Mile Engine Air Filter - SUBARU OUTBACK/ LEG/ IMPREZA/ FORESTER
  36. K&N Long Life 18,000 Mile Engine Air Filter - SUBARU OUTBACK/LEG/ IMPREZA/ FORESTER
  37. K&N Long Life 18,000 Mile Engine Air Filter - SUBARU OUTBACK/LEG/ IMPREZA/ FORESTER
  38. K&N Extended Life 24,000 Mile Engine Air Filter - SUBARU OUTBACK/ LEG/ IMPREZA/ FORESTER
  39. K&N
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