Dzintars

What I found here was a lot of electric tape used to hold the two together so I've added a plastic bottle on the bigger hose and connected the smaller back to the air in take but thinking about it now I should've done the opposite.

Hello, I was just cleaning out my throttle body and noticed oil in the air intake. There seems to be some sort of a breather going from underneath the oil cap. What is this for? Does it suck air from the bigger hose and let out oil from the smaller? Please see picture. Sorry I don't know alot. Thanks in advance!