AEM Electronically Tuned Intake BRZ FR-S T86 BMW The pulley is completely safe

The pulley is completely safe as a bolt on giving you between 5-10 horsepower

hassle-free installation

The air filter is constructed with 100% polyurethane for long life and multiple cleaning cycles

Stage 2+ for Audi A4 B5 2

Rear -20mm to -25mm (-0

AEM Electronically Tuned Intake BRZ FR-S T86 BMW The pulley is completely safeAEM's new Electronically Tuned Intake (ETI) Systems for the Scion FR S Subaru BRZ are raising air intake engineering standards once again. The BRZ FR S uses a Mass Air flow (MAF) sensor to determine the air flow rate into the engine and meter fuel according to input from the sensor. The relation between the voltage output of the sensor and mass air flow is adversely affected by a shift to a larger diameter intake tube as the airspeed is reduced. This