When new vehicles come with engine noise control, are they making engines quieter or louder? Is sports car engine rumble a lie, or are they blocking out some of that noise?
In: Technology
You can put resonators in the exhaust along with the catalytic converters and muffler to make it quieter, your exhaust is also not mounted directly to the vehicle but on hangers that are connected to rubber mounts.
Also newer car engines are encased in plastic with rubber engine mounts.
Mats inside the door and under the vehicle help with noises from the roads and to help deaden sounds.
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