The standard throttle body has a 75mm butterfly and is very restrictive.

The SS Inductions’ 80mm BIG MOUTH Throttle Body is manufactured from CNC Billet aluminium and features a radiused throttle shaft and non-protruding screws for smoother airflow. Expect greater torque, sharper throttle response through the entire rev range with up to 8rwkw increase in power.

The Big Mouth Throttle Body is factory-assembled with bearings, streamlined shaft, butterfly and gears. Fitting is simple with full instructions  supplied and is easily put back to standard if required.