The current breather with nipple on the passenger side is routed to the vacuum port on the carb. Originally, it had a pcv valve on that port but with the new valve covers the original pcv doesn't fit so I thought I could just use this breather type. I will change it out to a standard pcv valve on the passenger side.

So basically- put a standard pcv on the passenger port with a vacuum line to the carb port AND keep a standard breather with no nipple on the driver side? I don't have a port on my unsilenced original air cleaner.