Not sure which 2005 Chrysler 300 Performance Mufflers are right for you? We have over 471 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Bradley G from Ottawa, IL said, "The muffler was really nice quality. It's not to load and gives my car a nice rumble when you start it. Can't tell I have exhaust work till you are in it. We will see if it becomes any louder as time goes on."