K&N Cold Air Intakes for the Subaru WRX STI

Subaru WRX STI Performance Cold Air Intakes

Buy now from the K&N Store and get a 100% money back guarantee on any cold air intake!
  • Designed to increase power and torque
  • K&N Million Mile Limited Warranty®
  • Replaces restrictive factory air intake system
  • Easy to install performance
Add more horsepower to your Subaru WRX STI with a K&N cold air intake.
K&N Cold Air Intake Systems
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K&N replacement air filters can help your car or truck run better.