Just got my 99 Jeep smogged and the guy noted that these parts are falling and cause a vacuum leak when wiggled so I want to replace them but I'm not sure what they are called or where to start looking for them.
Here's a shot of them from the top and then from the back where the pipe connects
Top View
Back/Rear View
Here's a shot of them from the top and then from the back where the pipe connects
Top View
Back/Rear View