K&N Air Intake Systems for the Subaru WRX STI

Subaru WRX STI Performance Air Intake Systems

If you are looking to improve performance, K&N Subaru WRX STI air intakes are easy to install and come with a million mile limited warranty.
  • Designed to increase horsepower and torque
  • K&N Million Mile Limited Warranty®
  • Replaces restrictive factory air intake system
  • Easy to install performance
Buy now from the K&N Store and get a 100% money back guarantee and free shipping on any air intake!

Add horsepower to your Subaru WRX STI with a K&N air intakes.
K&N Air Intake Systems
Vehicle DescriptionPart NumberProduct Image 
2014 Subaru WRX STI 2.5L H4 F/I - All
2014 Subaru WRX STI 2.5L Air Intake

Est. Power Gain
17.52 HP @ 5260 RPM
69-8005TWR WRX STI Typhoon Kit (CA) Air Intake
List Price: $576.31
Factory Direct Price: $317.99