8.72.070 Exhaust System.
This section is included in your selections.
It shall be unlawful for any person to operate any motor vehicle upon any public highway if the vehicle exhaust system exceeds the maximum permissible sound levels set forth below for the category of vehicle, as measured at a distance of twenty inches (0.5 meter) from the exhaust outlet under procedures established by the State of Washington in Washington Administrative Code Chapter 173-58-080, "Close Proximity Exhaust System Sound Level Measurement Procedure."
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TABLE B |
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IN USE MOTOR VEHICLE EXHAUST SYSTEM NOISE PERFORMANCE STANDARDS MEASURED AT 20 INCHES (0.5 METER) |
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Vehicle Category |
Maximum Sound Level |
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Motorcycles |
99 dB(A) |
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Automobiles, light trucks, and all other motor vehicles 10,000 pounds or less |
95 dB(A) |