Is It Necessary to Do Soundproofing for the Chassis?

[MacMiguel]

Soundproofing for the chassis is necessary. The sources of car noise and the main materials for chassis soundproofing: Sources of car noise: They can be roughly divided into the engine, tires, and external noises such as wind, horns, and various other sounds. Specifically, these noises come from the engine hood in front, the U-shaped water tank, the four doors, and the fenders. For owners with higher requirements, they may consider soundproofing the chassis, trunk, and even the roof. Main materials for chassis soundproofing: Butyl rubber vibration damping sheets; high-density EVA foam with adhesive backing (5cm thick); sound-absorbing cotton (with and without adhesive backing); high-density polyester fiber boards.