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Any photos of cut open muffler?

Does anyone know of photos of a cut-open muffler to show how the baffle system is arranged?

That would depend on the muffler, they are all built different. I have built a muffler, what are you wanting to lnow?
Not all mufflers even have a "baffle"! Exhaust is about flow but a "muffler" is about sound wave diffusion.
You want to talk about sound control I'm into gun suppressors and that's really a trick to have one that doesnt make any sound!
Another example is turbo vehicles, they dont require a muffler!