Thread: Exhaust dB data
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Old 12-07-2004, 02:27 PM   #6
Quack
Scooby Specialist
 
Member#: 57264
Join Date: Mar 2004
Chapter/Region: MWSOC
Location: Aurora, OH
Vehicle:
2004 18g Wagon - WRB
PDX Tuned - 329whp/315wtq

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jsut found this:
http://www.dmv.ca.gov/pubs/vctop/vc/vctoc.htm

27200. (a) The Department of Motor Vehicles shall not register on a dealer's report of sale a new motor vehicle, except an off-highway motor vehicle subject to identification as provided in Division 16.5 (commencing with Section 38000), which produces a maximum noise exceeding the applicable noise limit at a distance of 50 feet from the centerline of travel under test procedures established by the Department of the California Highway Patrol.

Limits for Vehicles under 6000 GVWR

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

Limits for Vehicles Exceeding 5,999 Pounds Gross Vehicle Weight

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:

GVWR-Pounds Date of Manufacture Noise Limit -dbA
Over 6,000 after 1967 and before 1973 88 dbA
Over 6,000 after 1972 and before 1975 86 dbA
Over 6,000 after 1974 and before 1978 83 dbA
Over 8,500 after 1977 and before 1982 83 dbA
Over 6,000 but not over 8,500 after 1977 80 dbA
Over 8,500 but not over 10,000 after 1981 80 dbA
Over 10,000 after 1981 and before 1988 83 dbA
Over 10,000 after 1987 80 dbA
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