AEM 19-21 Subaru WRX STI 2.5L H4 Cold Air Intake System YMM_1995_1999_Buick_Riviera_VIII and extended service life during

and extended service life during aggressive driving or track use

Gloss clearcoat finish enhances the visual appeal and provides protection against UV and minor impacts

making it suitable for both professional technicians and everyday users

especially in modified or high-demand applications

AEM 19-21 Subaru WRX STI 2.5L H4 Cold Air Intake System YMM_1995_1999_Buick_Riviera_VIII and extended service life duringThe AEM 19 21 Subaru WRX STI 2. 5L H4 Cold Air Intake System is a performance upgrade designed to enhance airflow and increase horsepower and torque for Subaru WRX STI models from 2019 to 2021. Constructed with a mandrel bent aluminum intake tube and featuring an oversized AEM DRYFLOW synthetic washable air filter, this system ensures optimal airflow, filtration, and durability. The high quality hardware and custom heat shield work together to protect