Called the Fratzonic Chambered Exhaust, the purely electric external sound system uses an amplifier near the rear of the car to produce a 126-decibel "exhaust" noise.

Kawasaki Ninja 636 Silencer Is Obsolete. Meet the Amplifier Exhaust Published: 18 Aug 2014, 13:59 UTC • By: Florin Tibu 1 photo ...

Dodge created Fratzonic Chambered Exhaust to make electric Chargers sound like traditional gas-powered cars. The system uses a 600-watt amplifier to produce V8 sounds. It's not perfect, but it's ...