Air filter questions

[Aveo1.2]

Hello guys, this is my first post here.I am glad that I finally found a nice Aveo owners forum.

I am starting to modify my 2008 1.2 Aveo hatchback and common sense told me that I should start with a sporty air filter.I went out and bought a Pilot conic air filter which sounds great.The problem though is the tubing.I mounted it on the stock hose with those 2 "ears" and it doesn`t really stay put.It wobbles a little and vibrates.My questions are, can I connect the air filter through a metallic tube?Those "ears" from the stock hose have any role?And what is that little hose connected into the air filter hose right near the throttle body?
If needed I`ll upload some pictures later.

Thanks!