Grams - Throttle Body - Electronic - 72mm - GT86 & BRZThe Grams 72 mm Drive By Wire Electronic Throttle Body for GT86 & BRZ is a perfect upgrade for the factory 65mm throttle body; delivering a 48% increase in airflow. Each throttle body includes all new components including a CNC machined billet 6061 T6 aluminum housing with a precision honed oversized bore, a high torque servo motor, and a proprietary Non Contact Hall Effect TPS sensor. To ensure the best performance, throttle response, and