need picture of muffler system,
Why ? If you have muffler problems any independent muffler shop can solve them and do a better job than most do it yourself people can.
There are some on this board who are not at all interested in helping somebody.
They’ll just tell you where to go, and what to do.
https://www.rockauto.com/en/moreinfo.php?pk=8040064&cc=3015262&jsn=401
Tester
A fantastic place to ask is your dealership parts guy… Or a dealer parts microfiche online so you can view every piece with part numbers. They come in handy.