What kind of muffler a guy should wear?

I wanted to buy a muffler for years but I have never purchased nor seen anyone in my friend circle wearing it before so, I have absolutely no idea what makes a muffler bad and what makes it good. What kind of mufflers suit men? What are trendy styles and what are the classics?
What kind of muffler a guy should wear?
Help me with my first purchase.
What kind of muffler a guy should wear?
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