How to Change Exhaust Sound
Improving exhaust sound means increasing the sound of the exhaust of your car. This can be done for different reasons. The increased sound of exhaust shows that the engine is powerful. Thus this is an issue of prestige. Increasing exhaust sound needs ensuring a free-to-flow exhaust system. This also increases engine performance.
Exhaust sound can be changed on your vehicle in the Customization menu on the far right. This gives you a variety of sliders that let your change multiple things related to the exhaust sound of your car.