Modified exhaust, loud mufflers, and excessive acceleration on Folsom streets violate CA Vehicle Code §27150-27151 (muffler requirement) and §23130 (vehicle noise limits). Folsom Police enforce both state vehicle code and Folsom Municipal Code §8.42 for stationary vehicle noise.
California Vehicle Code §27150 requires every motor vehicle to be equipped with an adequate muffler to prevent excessive or unusual noise. §27151 specifically prohibits modifications that amplify or increase exhaust noise above factory levels. CVC §23130 establishes dBA limits by vehicle weight class (passenger cars cannot exceed 80 dBA at 50 feet). Folsom Police conduct enforcement on East Bidwell, Folsom Boulevard, and Highway 50 corridor routes popular with modified-vehicle drivers. Stationary vehicle noise (idling stereos, revving engines in driveways) additionally falls under FMC §8.42. 'Sideshow' or street takeover activity triggers VC §23109 exhibition of speed charges.
CVC §27150/27151 citation ~$25-$196 plus referee inspection requirement. Sideshow/exhibition: misdemeanor with vehicle impound up to 30 days.
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Folsom, CA
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