AEM Cold Air Intake System - Subaru WRX STi 2019-2021 AT7B-BS Lithium Battery w/Re-Start This product was designed and

This product was designed and engineered for to fit on both the F22 & F23 M235i in both RWD & AWD configurations

Changing the calibration of the MAF sensor necessitates tuning changes to recalibrate the ECU

Our engineers used 3D scanned CAD data from each vehicle along with the CAD data from our TMIC development to design a splitter that fits well and evenly distributes air across the entire core

Our kit includes a 3"

AEM Cold Air Intake System - Subaru WRX STi 2019-2021 AT7B-BS Lithium Battery w/Re-Start This product was designed andAEM cold air intake systems are designed to increase horsepower and torque. The system includes an oversized AEM DRYFLOW synthetic washable air filter, engineered to provide outstanding airflow, filtration, and performance, and also features a mandrel bent aluminum intake tube and high quality hardware. The oversized, conical filter design allows you to go up to 100,000 miles between filter services under normal highway driving conditions. A custom