SoundRacer SRV8 Realistic SuperCar V8 Engine Sound Effects Race car sounds through your stereo. Imagine starting up your modern, boringly silent car and the interior is filled with the thrilling sound of a powerful Super Sports Car engine. The SoundRacer Plugs into your cars cigarette lighter and uses an FM transmitter to play a choice of V8 engine sounds through your car stereo It's an incredibly simple device to use - plug it into your car's cigarette lighter socket. The SoundRacer plugs into your cigarette lighter and transmits rev-matched fake V8 engine sounds via FM radio making your car sound.