Perrin [22-25 WRX, 19-22 Forester, 20-22 Legacy, 21-22 Crosstrek] Water Pump Pulley Red Bumper Large 102mm throttle body opening

Large 102mm throttle body opening for maximum airflow

depending on OEM wheel width

this manifold is engineered to maximize exhaust flow efficiency

Uses an advanced Torque Management system to reduce engine torque

Perrin [22-25 WRX, 19-22 Forester, 20-22 Legacy, 21-22 Crosstrek] Water Pump Pulley Red Bumper Large 102mm throttle body openingOVERVIEW The PERRIN Water Pump Pulley lightens up your rotating engine parts to free up power. A weight savings that can be felt with every blip of the gas pedal! DECREASE ROTATIONAL MASS PERRIN Lightweight Water Pump Pulleys weigh 0. 48 lbs, which is 0. 28 lbs lighter than the OEM pulley. Throttle response, horsepower, and torque are all increased with this easy to install part. LIGHTWEIGHT WATER PUMP PULLEY Reducing the weight of rotating parts