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AEM 2018 Subaru WRX STI 2.5L H4 F/I Cold Air Intake System - Wrinkle Red

Take your Subaru WRX STI to the next level with the AEM 21-836WR Performance Cold Air Intake System. This system produces horsepower and torque gains by replacing your vehicle's restrictive factory air filter and air intake housing.

The air intake system was designed, tuned, and dyno-tested to fit specific Subaru WRX STI models. Air enters the system through an oversized AEM Dryflow synthetic washable air filter for outstanding air flow, filtration, and performance.

  • Increases horsepower and torque
  • Replaces restrictive factory air filter and air intake housing
  • Features an oversized AEM Dryflow synthetic washable air filter
  • Mandrel-bent aluminum intake tubing with durable textured red powder coated finish
  • Easy to install with commonly available tools
  • Backed by AEM's Lifetime Limited Warranty
Make Model Year Type
Subaru WRX STI 2018 Base
Subaru WRX STI 2018 Limited
Subaru WRX STI 2018 Type RA
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