AEM Cold Air Intake System for 2015-2021 VA Subaru STi (21-863C) BorgWarner Tuning Notes:

Tuning Notes:

Part Numbers: Diagram: Placement: 76851JF00A

A heavy-duty red anodized coating is applied along with two laser-etched GrimmSpeed logos

UPC: 684980000351

9-blade FP54 turbine wheel paired with a 73 HTZ compressor wheel to make a quicker spooling Green that still flows 57LB per minute

AEM Cold Air Intake System for 2015-2021 VA Subaru STi (21-863C) BorgWarner Tuning Notes:AEM 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.