3 ms·
At least the manufacturers of those products assert that correctly installed ones are no louder than the diesel engine in normal operation. http://www.jacobsve
by mmagin 10y ago
At least the manufacturers of those products assert that correctly installed ones are no louder than the diesel engine in normal operation.
http://www.jacobsvehiclesystems.com/about-us/environmental-health-safety/noise-concerns/ http://www.jacobsvehiclesystems.com/about-us/environmental-h...