Skunk 2 - 72mm Electronic Throttle Body - Honda Civic FG2Specifications: Manufacturer: Skunk 2 Reference Number: 309 05 0001 Throttle Body Diameter: 72mm The Skunk2 Racing 72mm Electronic Throttle Body (ETB) for the 06 11 Honda Civic Si is an easy solution for increasing the airflow your Honda K Series engine needs to make more power. The Skunk2 72mm ETB flows 50% more air than the restrictive 64mm OEM throttle body. The 72mm ETB improves the throttle response and efficiency of both naturally aspirated and