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Ships within 48 hours · Estimated delivery Sep 12 - Sep 17
Tuning Notes:
This black plastic cover is the large undertray under the engine compartment
The ring gear is NOT included and one will need to be assembled onto the flywheel
or for our AMS fuel rails once they become available
Part Numbers: Diagram: Placement: 76851JF00A
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.