OK... There should be no argument about these pics:Throttle Body Inlet (from Air Filter) Size is 55mm:Throttle Body Necks down to 46mm before the Throttle Plate:The throttle body bolts up to the intake manifold at 52mm diameter:I hope this clears things up for a few people!
Timtrwebb26@yahoo.comWhite 1999 GS - Manual TrannyMods: B&M Shifter, Symbroski Shifter Kit, RRE SS Clutch Line, AEM Short Ram Intake, Clear Side Markers, GS