Girodisc Porsche 992 GT3 Front Rotors WRX VB FLOW TUNED RUNNER DESIGN &

FLOW TUNED RUNNER DESIGN & VELOCITY STACKSDramatic power and torque increases come from making small changes to the runner and velocity stack design

flatter cornering

Application: Subaru WRX/STI/FXT/LGT (EJ20/EJ25)

Restrictor plate removed for improved airflow and lower intake temperatures

Girodisc Porsche 992 GT3 Front Rotors WRX VB FLOW TUNED RUNNER DESIGN &The Girodisc system is a direct replacement for the OE disc on the 992 GT3 with OEM iron rotors. No modifications are necessary, and it allows the use of unmodified factory pads. The disc will bolt directly to the car and work with factory calipers. The central hat section of our rotor is made from strictly U. S. sourced 6061 T6 aircraft specification aluminum. The disc is made from our own proprietary cast iron, poured in the USA and machined from