90 dba
In California, under no circumstance can a recreational boat's exhaust sound exceed what volume in decibels (dBA)?
90 dBA
75
exhaust muffler
an exhaust muffler an exhaust muffler
In Indiana, an exhaust muffler is required to be installed on a recreational use boat.
Exhaust muffler
Exhaust Muffler
an exhaust muffler
Exhaust Muffler
exhaust muffler
Exhaust muffler