AEM Electronics

AEM Cold Air Intake System

2019-2021 Subaru STI

Ships for free in the 48 states

SKU: 21-863WRWe price match!

In Stock

The Cold Air Intake System will allow the turbo of the Subaru STI to breathe much easier to make more power.
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AEM Cold Air Intake System Subaru STI 2019+


  • Tuned and dyno-tested to improve acceleration and engine sound
  • Low restriction aluminum intake pipe
  • Intake pipe will come powder-coated a wrinkle red color
  • Air filter can last up to 100,000 miles before cleaning is required
  • Air filter is washable and reusable
  • Increased horsepower
  • Improved throttle response
  • Improved torque
  • Reduced turbo lag
  • Increased intake sound
  • Includes heat shield
  • Includes new clamps



Here, you are looking at the AEM Cold Air Intake System designed specifically for your application to replace the factory restrictive intake system to increase both power and performance. This is a complete kit that replaces your factory air filter and air intake housing and has been dyno-proven to produce more power and torque.

A proper cold air intake example like this AEM unit allows the turbocharger to breathe large amounts of unrestricted air to improve the horsepower, torque, while reducing the turbo lag. 

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