Both attach to the airbox, bigger one of the two is the crankcase ventilation directing the blow by from the crankcase back into the airbox to be burned part of the emission reduction.
T-piece one is the air box drain with a filter in it. The reason for two pipes on the drain is to allow drainage while on the centre or side stand
T-piece one is the air box drain with a filter in it. The reason for two pipes on the drain is to allow drainage while on the centre or side stand