So, I recently purchased a carbon intake (Gruppe M replica) from EuroSport Tuning and the kit came with this miniature cylindrical air filter and I'm not sure what it's for. I think it might be for the CCV to vent gases out instead of back into the intake but I thought the CCV was supposed to be a closed system?
Here's a pic of what it looks like (not the same kit but the mini intake is identical):