The engine of a vehicle emits sound to the bonnet and the bulkhead. This can cause noise pollution. This can cause a restless and unsafe feeling while driving. There are two solutions to reduce engine noise.
Sound absorption Position of sound absorption can cause the sound level of your vehicle to be reduced.
Sound insulation With sound insulation, you keep engine noise out of your vehicle so that you have less noise pollution when you are in your vehicle.
Choose below which solution is most applicable to you.