West Virginia legislation that would have made it a criminal offense to disturb the peace with disturbing or unreasonably loud exhaust system died when the govt adjourned

Current West Virginia law only allows a muffler originally installed by the manufacturer or an equivalent. The law, according to SEMA Action Network, provides no objective noise measurement standard for exhaust systems that would benefit consumers, industry and police officers charged with enforcing the law.

https://theshopmag.com/news/west-virginia-bill-criminalize-certain-exhaust-systems-expires