Considering the 370Z is port injected in both NA and FI, skip to 2:33 of this linked YouTube video. There are all of 10 seconds to describe an oil catch can for port injection, vs 10m56s for direct injection. Really just adding weight.
https://m.youtube.com/watch?v=T-B4VRxAtbw
In the esteemed words of Lil Dicky, “$ave Dat Money”