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My exhaust got a trim

CaFordDude

Charter Member
7,748
464
Cali
California DB requirements for vehicles.

27201. For the purposes of Section 27200, the noise limit of 92 dbA
shall apply to any motorcycle manufactured before 1970.



27202. For the purposes of Section 27200, the following noise
limits shall apply to any motorcycle, other than a motor-driven
cycle, manufactured:


(1) After 1969, and before 1973 ............ 88 dbA
(2) After 1972, and before 1975 ............ 86 dbA
(3) After 1974, and before 1986 ............ 83 dbA
(4) After 1985 ............................. 80 dbA




27203. For the purposes of Section 27200, the noise limit of 82 dbA
shall apply to any snowmobile manufactured after 1972.



27204. 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:



Date of
GVWR--Pounds Manufacture Noise Limit--dbA

Over 6,000 after 1967 and 88
before 1973
Over 6,000 after 1972 and 86
before 1975
Over 6,000 after 1974 and 83
before 1978
Over 8,500 after 1977 and 83
before 1982
Over 6,000 but after 1977 80
not over 8,500
Over 8,500 but after 1981 80
not over 10,000
Over 10,000 after 1981 and 83
before 1988
Over 10,000 after 1987 80



27206. For the purposes of Section 27200, the following noise
limits shall apply to any other motor vehicle, not specified in this
article, manufactured:


(1) After 1967, and before 1973 .............................
86 dbA
(2) After 1972, and before 1975 .............................
84 dbA
(3) After 1974 ..............................................
80 dbA



27207. No motor vehicle with a gross vehicle weight rating of more
than 10,000 pounds and equipped with an engine speed governor shall
produce a sound level exceeding 88 dbA, measured on an open site at a
distance of 50 feet from the longitudinal centerline of the vehicle,
when its engine is accelerated from idle with wide open throttle to
governed speed with the vehicle stationary, transmission in neutral,
and clutch, if any, engaged. Test procedures for compliance with
this section shall be established by the department, taking into
consideration the procedures of the United States Department of
Transportation. The procedures may provide for measuring at other
distances, in which case the measurement shall be corrected so as to
provide for measurements equivalent to the noise limit established by
this section measured at 50 feet.
 
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