A super exhaust sound system for drift packages made by
The exhaust sound that seems to be a direct pipe muffler at all echoes in a circuit and heart when it drives the super exhaust sound system "direct pipe leader of the valets" throttle who gives a drift package made by sound of the great force.
The work such as the wiring does not have at all to generate sound automatically.
A bathtub chassis of packaging it becomes only for drift.