Never seen a catch tank plumbed in like this

[MG ZS STE]

http://www.ebay.co.uk/itm/MG-zs-180-x-power-kit-mk-2-mot-till-jan-2018-/172558141181?hash=item282d4446fd:g:TOgAAOSw3v5YuF0 3

[Lukeus101]

Hmmmmmm :hmmm:

[talkingcars]

You can't see where the inlet to the tank comes from.

I'd be more worried that the air for the throttle body bypass is plumbed to the dirty side of the filter.