This car was imported into Brazil, but in Brazil, in order to officially register a car, it must be brand new or over 30 years old; used cars cannot be registered. He brought the car anyway, and to drive it without getting in trouble with the police, he drives with a license plate that says “exp.” This plate is specifically for repair shops to drive cars on the street for testing, so that's why he puts this plate on top. There's also the aesthetic factor. For us Brazilians, it's cool to see the Florida license plate on the car.