How much does it cost to change a muffler?

Question

Recently got a car with a big mufler you can hear coming a block away.

Answer 1

uhm, between 80 to several hundred, depending if it's really the muffler or perhaps some pipes are rusted or leaking, shouldn't be more than 400-600 at the absolute worst and I mean that would be bad lol, probably 100-200 or so.