I have a '71 coupe that used to be a bit loud. I took it to a muffler shop and
was told that whoever had done the last exhaust pipe had put "the wrong muffler
& resonator" on there. The car now sounds the way an Imperial should.
So maybe the wrong set-up is on there??
MM
Oneof514@xxxxxxx wrote:
> I have a 71 Imperial with single exhaust and a resonator.
>
> With 110,000 miles on the car, it is obviously not the orginial muffler.
>
> I wish the car were quieter. My mechanic had a 67 coupe that I thought was
> much quieter than my car.
>
> I was told that the newer car mufflers are not as quiet as the older mufflers
> - since newer mufflers were designed to be used with a catalytic converter -
> and the catalytic converter deadens some of the sound. When you use one of
> these mufflers on a car with no catalytic converter, it is louder.
>