For the purposes of Section 27200, the following noise limits shall apply to any motor vehicle within the specified manufacturer’s gross vehicle weight rating and date of manufacture:
GVWR—Pounds
Date of Manufacture
Noise Limit—dbA
Over 6,000
after 1967 and before 1973
88
Over 6,000
after 1972 and before 1975
86
Over 6,000
after 1974 and before 1978
83
Over 8,500
after 1977 and before 1982
83
Over 6,000 but not
over 8,500
after 1977
80
Over 8,500 but not over 10,000
after 1981
80
Over 10,000
after 1981
and before 1988
83
Over 10,000
after 1987
80