Subaru WRX STI Replacement Air Filters

Spectre high flowing OE replacement air filters for Subaru WRX STI are made to improve performance and help your Subaru WRX STI run better.

  • OE Replacement Air Filters for Subaru WRX STI
  • High Flowing Air Filter
  • Premium Urethane Frame
  • Steel Mesh Reinforced
  • Will Not Void New Car Warranty
  • Emissions Legal In All 50 States

The Spectre performance air filter outflows the typical paper air filter and is a direct replacement for the disposable stock air filter in your Subaru WRX STI.

  1. K&N
  2. 2018 Subaru WRX STI 2.5L H4 Gas air filter
    Special Price $10.49 Regular Price $14.99
    SPA-2304
    K&N
  3. K&N
  4. 2017 Subaru WRX STI 2.5L H4 Gas air filter
    Special Price $10.49 Regular Price $14.99
    SPA-2304
    K&N
  5. K&N
  6. 2016 Subaru WRX STI 2.5L H4 Gas air filter
    Special Price $10.49 Regular Price $14.99
    SPA-2304
    K&N
  7. K&N
  8. 2015 Subaru WRX STI 2.5L H4 Gas air filter
    Special Price $10.49 Regular Price $14.99
    SPA-2304
    K&N
  9. K&N
  10. 2014 Subaru WRX STI 2.5L H4 Gas air filter
    Special Price $10.49 Regular Price $14.99
    SPA-2304
    K&N
  11. K&N
  12. 2013 Subaru WRX STI 2.5L H4 Gas air filter
    Special Price $10.49 Regular Price $14.99
    SPA-2304
    K&N
  13. K&N
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