California Vehicle Code §27150
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Extensive American tradition of competitive race car driving has influenced the appearance of how drivers prefer the look, speed, and sound of their cars.
Speed racing has encouraged motorists to alter the sound of their cars to emulate the sound and appearance of cars used in racing. Motor vehicle alterations are subject to the laws of the state.
Every state has laws that limit the amount of noise that your car can make. Exhaust system alterations cause risks to other motorists who are on the road. Other exhaust system alterations cause motorists to be distracted while driving.
While most drivers choose cars that please the eye as well as personalities, it is best to make sure that your car meets the guidelines if you decide to modify the car in any way.
You need to make sure the exhaust level is satisfactory according to California’s exhaust system laws.
- Be aware of what can happen when you alter the exhaust system on your car.
- California regulation mandates that vehicles avoid excessive noise and leaks that pollute the environment with toxic gases and carbon monoxide.
California also limits the operation of passenger vehicles other than a truck with a Gross Vehicle Weight Rating (GVWR) less than 6,000 pounds or a motorcycle.
Exhaust noise cannot exceed 95 decibels in California
Routinely checking your car for leaks, increase or change in noise level, a dangerous apparent smell, and unsecured parts can prevent costly maintenance and the possibility of a citation for a loud exhaust system.
If you find yourself driving a vehicle where your exhaust system has a high noise level, it is best to correct the problem right away. Delaying could cause you substantial financial hardships. A defective exhaust system not only harms the ecosystem, it also affects other motorists.
What does the California Code say about loud exhaust systems on a highway?
CVC Section 27150 instructs motorists to verify that cars are equipped with acceptable mufflers that perform properly are are maintained to prevent loud/boisterous sounds. The exhaust system cannot contain a muffler that has a bypass, cutout, or similar device.
(b) All but those cars provided in Division 16.5 beginning with Section 38000, any off-highway vehicle that is registered should not contain a muffler or exhaust system that is changed. The muffler or exhaust system must meet requirements of Article 2.5 starting with Section 27200.
(c) Acceptable changes are permissible for vehicles participating in an entertainment division of a competitive event or race, with appropriate permits issued by the local agency that has jurisdiction.
Fines for a violation of CVC 27150 can be up to $1,000 dollars (first time violators).
Receive a California Traffic Ticket for a loud exhaust system?
If you received a traffic ticket under CVC 27150, we may be able to assist. Give our experienced team a call to talk about your situation and your vehicle to see what options you have available.
You can also submit your citation for a free ticket review.