Looking for details around AB 1824 or details around 27150 and 27151? Here is the quick and skinny.
1.) Not a new Law, just a slight change that makes it a non-fixable ticket.
2.) Applied to all vehicle no matter what year they were built
3.) Must have an exhaust with muffler that has a db level of 95 or less.
4.) You can fight the ticket, but must get your car state reffed to verify it passes.
5.) Depending on the code they apply to your citation, you may have to get state reffed and pay a noise fee.
State Fee table for 2019:
Full Fee Schedule PDF: http://www.courts.ca.gov/documents/2019-JC-BAIL.pdf