AEM Cold Air Intake System for 2015-2021 VA Subaru STi (21-863C) BorgWarner Watching your precise exhaust temperature

Watching your precise exhaust temperature can mean the difference between maximum performance and catastrophic engine damage

or for our AMS fuel rails once they become available

The ring gear is NOT included and one will need to be assembled onto the flywheel

bumper shroud and plastic clip delete air intake

UPC: 684980000351

AEM Cold Air Intake System for 2015-2021 VA Subaru STi (21-863C) BorgWarner Watching your precise exhaust temperatureAEM cold air intake systems are engineered to boost horsepower and torque, featuring an oversized AEM DRYFLOW synthetic washable air filter for superior airflow, filtration, and performance. Custom engineered tubes deliver better airflow than you get with a stock intake. More air means better performance. The system includes a mandrel bent aluminum intake tube, high quality hardware, and a custom heat shield to protect intake air from engine bay heat.