I have been noticing similar but not "loud muffler" so to speak but instead it is noticeable lacking maintenance on "mid-high" value cars. There have been a lo

I have been noticing similar but not "loud muffler" so to speak but instead it is noticeable lacking maintenance on "mid-high" value cars. There have been a lot of cars I consider "nice" but have squealing wheel bearings, squeaking brakes and/or engine tune issues which point to general lack of maintaining the vehicle. Good to see I am not the only one seeing this warning sign.