BMW i8 finally sounds mean thanks to Heinz Performance exhaust

Despite what you might think, the BMW i8 is not a vehicle that actually depends solely on electricity for its power. Besides the electric motor there is also a turbocharged 1.5-liter 3-cylinder gasoline engine, and together they produce 362 horsepower. The car is a plug-in hybrid and it puts its gas-drinking engine to good use. Unfortunately, the... BMW i8 finally sounds mean thanks to Heinz Performance exhaust