AEM Cold Air Intake System for 2015-2021 VA Subaru STi (21-863C) Intake Pipe Finish::Gunmetal Gray This is required by IHRA

This is required by IHRA and NHRA at different levels of competition and if you are running slicks

• Pre-Cut Reflect-A-Gold Foil

Tip Finish: Satin (not mirror polish)

Compatible with nearly all fuel types

With this set of Height Adjustable Lowering Springs

AEM Cold Air Intake System for 2015-2021 VA Subaru STi (21-863C) Intake Pipe Finish::Gunmetal Gray This is required by IHRAAEM 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.