Beverly Hills is ramping up enforcement against aftermarket exhaust systems, and two high-performance machines landed in the crosshairs first. Police targeted a Porsche Carrera GT and a Chevrolet Corvette C8 Z06, both known for producing sound levels that exceed municipal noise ordinances.
The crackdown reflects a growing frustration with modified exhaust systems in affluent neighborhoods. Beverly Hills joins other California cities tightening regulations around vehicle noise, a persistent complaint from residents dealing with weekend car enthusiasts and modified supercars. The Carrera GT's naturally aspirated 5.7-liter engine and the C8 Z06's aggressive 5.5-liter V8 can easily breach 100 decibels without aftermarket modifications. Aggressive exhaust work amplifies that considerably.
This enforcement pattern tracks a broader trend. Los Angeles, West Hollywood, and Culver City have all increased noise citations over the past two years. California law allows citations for vehicles exceeding 96 decibels on acceleration, though enforcement varies widely by jurisdiction. Beverly Hills appears to be taking a more aggressive stance.
High-end sports cars regularly draw police attention in noise campaigns, not because they're inherently louder than modified sedans, but because they concentrate in specific neighborhoods and get noticed. A bone-stock C8 Z06 sits on the border of legal noise levels already. An aftermarket setup can push it well over limits.
The humor in Road & Track's reference to bananas in tailpipes aside, these enforcement actions carry real consequences. Violators face fines ranging from 100 to 500 dollars per citation, with repeat offenses escalating penalties. Some jurisdictions impound vehicles for excessive noise violations.
For Porsche and Corvette owners in Southern California, the message is clear. Stock exhausts keep you legal