Subaru Impreza III WRX STI Replacement Air Filters

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

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

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

  1. 2008 Subaru Impreza III WRX STI 2.5L H4 Gas air filter
    Special Price €67.49 Regular Price €89.99
    33-2304
    K&N
  2. K&N Long Life 18,000 Mile Engine Air Filter - SUBARU OUTBACK/LEG/ IMPREZA/ FORESTER
  3. K&N Extended Life 24,000 Mile Engine Air Filter - SUBARU OUTBACK/ LEG/ IMPREZA/ FORESTER
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