PCV plumbing

On the LS3 passenger side there is a uncapped tube I believe is part of the PCV system. Should his tube be capped, plumbed into the Cold Air tube or plumbed into a oil catch can then into the Cold air tube? Please advise. Getting near to hear noise!! Thanks
 
silver tube on front passenger valve cover - run to bung on air intake after the maf

tube on driver rear valve cover - you can cap if you want

tube coming out of valley cover - run to port on throttle body
 
On the LS3 passenger side there is a uncapped tube I believe is part of the PCV system. Should his tube be capped, plumbed into the Cold Air tube or plumbed into a oil catch can then into the Cold air tube? Please advise. Getting near to hear noise!! Thanks

Here's a generic picture. If you are not running a catch can - just ignore it. The intake manifold will be flipped 180* also from picture.
 

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