Well...it IS 11 yrs old...
This is just my opinion, but I'm skeptical about anything enclosed in a container that collects carbon for a living. I just don't see it as something that's going to function properly for very long.
The super turbo is plenty quiet at idle & cruising speed IMO.
When I drove Hunny Girl to the grocery today, she was very pleased with the reduction in cabin noise...and commented: "I won't have to yell for you to hear me any more".
Of course my reply was: "HUH?"...![]()