Additional exhaust gases from a player's car with a diesel engine of the worker class (this is the eighth parameter of the car's characteristics in the GTA San Andreasdatavehicles.ide file). In a car with two mufflers, the exhaust comes from both pipes. There are two versions of the script in the archive. In one embodiment, the exhaust occurs only when the car moves off. In another embodiment, the exhaust occurs with each overdrive.