(5) NOISE ABATEMENT EQUIPMENT MODIFICATIONS.--

(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.

(b) No person shall operate a motor vehicle upon the highways of the state with an exhaust system or noise-abatement device so modified.


The whole thing is here.....

http://www.flsenate.gov/statutes/ind...316/ch0316.htm

Rinku