AEM SHORT RAM INTAKE SYSTEM – SUBARU STI 04-07
AEM Air Intake Systems are designed to produce massive horsepower and torque gains as well as better engine sound when used as a replacement for the factory airbox and air filter. AEM intake systems are designed, tuned, and dyno-tested to fit specific cars and trucks.
Thesse thing goes strong! you can really hear it spool up nice! Highly recommended and you cant get much better for the price.