No motor vehi­cle shall be oper­at­ed on any street unless such vehi­cle is pro­vid­ed with a muf­fler in effi­cient actu­al work­ing con­di­tion; and the use of a cut-out is pro­hib­it­ed.  No muf­fler shall cause an unrea­son­ably loud or exces­sive noise.