Tomei Exhaust Manifold (Unequal Length) - Subaru WRX FA20DIT 2015+ AH03 AEM Intake Systems are designed

AEM Intake Systems are designed to increase horsepower and torque gains as well as better engine sound when used as a replacement for the factory airbox and air filter

Increased rigidity and the use of impact-absorbing materials are the major advances found in the Pro-ADV

Specially designed to resist to high temperature of racing actuated brake (steel or carbon) and clutch systems

it experiences atmospheric pressure

silicone connector (larger diameter connector for use with Skunk2 throttle bodies or similar sold separately)

Tomei Exhaust Manifold (Unequal Length) - Subaru WRX FA20DIT 2015+ AH03 AEM Intake Systems are designedEvery flaw of the OEM header has been addressed and improvised during the development of the Tomei header, resulting in power gains you can feel throughout the powerband of the car. Unequal length runners on the headers achieve the unique boxer engine rumble. The OEM headers restrict air flow resulting in loss of power and efficiency. Tomei headers do not restrict air flow resulting in an increase in power and efficiency. Unlike the OEM headers, Tomei