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. 2024 Subaru WRX 2.4L H4 Petrol air filter
    Special Price £40.49 Regular Price £53.99
    AEM-28-50064
    K&N
  2. 2024 Subaru WRX 2.4L H4 Petrol air filter
    Special Price £48.69 Regular Price £64.99
    33-5064
    K&N
  3. 2023 Subaru WRX 2.4L H4 Petrol air filter
    Special Price £40.49 Regular Price £53.99
    AEM-28-50064
    K&N
  4. 2023 Subaru WRX 2.4L H4 Petrol air filter
    Special Price £48.69 Regular Price £64.99
    33-5064
    K&N
  5. 2022 Subaru WRX 2.4L H4 Petrol air filter
    Special Price £40.49 Regular Price £53.99
    AEM-28-50064
    K&N
  6. 2022 Subaru WRX 2.4L H4 Petrol air filter
    Special Price £48.69 Regular Price £64.99
    33-5064
    K&N
  7. 2021 Subaru WRX 2.0L H4 Petrol air filter
    Special Price £48.69 Regular Price £64.99
    33-2304
    K&N
  8. 2020 Subaru WRX 2.0L H4 Petrol air filter
    Special Price £48.69 Regular Price £64.99
    33-2304
    K&N
  9. 2019 Subaru WRX 2.0L H4 Petrol air filter
    Special Price £48.69 Regular Price £64.99
    33-2304
    K&N
  10. 2018 Subaru WRX 2.0L H4 Petrol air filter
    Special Price £48.69 Regular Price £64.99
    33-2304
    K&N
  11. 2017 Subaru WRX 2.0L H4 Petrol air filter
    Special Price £48.69 Regular Price £64.99
    33-2304
    K&N
  12. 2016 Subaru WRX 2.0L H4 Petrol air filter
    Special Price £48.69 Regular Price £64.99
    33-2304
    K&N
  13. 2015 Subaru WRX 2.0L H4 Petrol air filter
    Special Price £48.69 Regular Price £64.99
    33-2304
    K&N
  14. 2014 Subaru WRX 2.5L H4 Petrol air filter
    Special Price £57.69 Regular Price £76.99
    AEM-28-20304
    K&N
  15. 2014 Subaru WRX 2.5L H4 Petrol air filter
    Special Price £48.69 Regular Price £64.99
    33-2304
    K&N
  16. 2013 Subaru WRX 2.5L H4 Petrol air filter
    Special Price £57.69 Regular Price £76.99
    AEM-28-20304
    K&N
  17. 2013 Subaru WRX 2.5L H4 Petrol air filter
    Special Price £48.69 Regular Price £64.99
    33-2304
    K&N
  18. 2012 Subaru WRX 2.5L H4 Petrol air filter
    Special Price £57.69 Regular Price £76.99
    AEM-28-20304
    K&N
  19. 2012 Subaru WRX 2.5L H4 Petrol air filter
    Special Price £48.69 Regular Price £64.99
    33-2304
    K&N
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