(a) No person shall modify the exhaust system of a motor vehicle or any other noise-abatement device of a motor vehicle operated or to be operated upon the highways of this state in such a manner that the noise emitted by the motor vehicle is above that emitted by the vehicle as originally manufactured.
thats the ticket i got saying anything louder than stock is illegal....thats crap! what if i HAD to replace the exhaust cuz mine rusted out or something? who can afford a new stock exhaust from the dealer!? that and who says whats louder than stock? did they take some sorta course where they memorized stock exhaust sounds!