Apparatus for transmitting and reproducing sound or images; Downloadable computer software for connecting the OBD2 device and car stereo system, analyzing real-time data from the car engine and simulating enhanced engine sound through the speakers of the car; Downloadable software in the nature of a mobile application for connecting the OBD2 device and car stereo system, analyzing real-time data from the car engine and simulating enhanced engine sound through the speakers of the car; Portable...