b16 swap, vac line??

Hey guys so I just finished my b16a swap and have an issue that’s confusing me. The stock b18a1 has two ports on the back of the intake manifold and my new one only has one port, my question is what should I do with the lines?

This is the two the stock IM has:

Well Im currently using a T until I find out what I should do… It seems to be working in the mean time.