https://www.cdsmith.com/hs-fs/hubfs/...-Center-07.jpg
Printable View
Mercury Marine sponsors Nascar driver.
https://external-content.duckduckgo....jpg&f=1&nofb=1
https://external-content.duckduckgo....jpg&f=1&nofb=1
Noise Pollution - one of the main factors communities do not want an airport in their neighborhood.
Or a Harley driving through their quiet neighborhood streets setting off car alarms.
As a business you want to sell to the bigger market. I would guess, Mercury's larger customer base desires to purchase quieter engines. Hence one reason for the decibel acoustic-chamber.
https://images.maritimepropulsion.co...rine-94176.jpg
...there's that...and its just plain nice to have a normal tone conversation at the aft end of the boat...;)...
... https://youtu.be/PGeHwakYWyE ... mercury verado 400 @ idle...oops, i mean 6,000 r.p.m...