“The Fratzonic Chambered Exhaust—the name refers to a Dodge logo— combines various chambers underneath the Charger’s body with some woofers and mid-range speakers, all driven by a dedicated 600 W amplifier. The system is also designed to transmit vibrations into the chassis through elastomeric bushings, mimicking an internal combustion engine and its motor mounts.”
Meh, I do the same with a beer mat attached to my bike wheel, and it only cost me 10 beers!