I am not sure but dual exhaust for my truck is only 375 so I am willing to bet a muffler is very reasonable. I wouldn't let anyone else touch my vehicle
It would depend on the car but they have very competitive rates and if you call, they could probably price it over the phone.
It would depend on the kind of car you have and what shape your total exhaust system is in. But they have always been fair to me for any repair or replacement you can give bring it to them and they will give you an estimate
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