Why silencer is needed in automobiles?

muffler, also called silencer, device through which the exhaust gases from an internal-combustion engine are passed to attenuate (reduce) the airborne noise of the engine.

1. Why silencer is used in vehicles?
2. Can I drive a car without silencer?
3. Does silencer affect performance?

Why silencer is used in vehicles?

Automobile Silencer is a device used to reduce the noise produced by the engine. Silencer is used in automobile vehicles to reduce the noise produced by the exhaust gases of the engine. Silencer is also used in many other engines and generators.

Can I drive a car without silencer?

2 Answers found. As far as I understand, technically, it may not cause any problem except the fact the the primary function of the silencer or muffler to reduce the loudness of the sound pressure created by the engine will not be achieved.

Does silencer affect performance?

Granted, a suppressor doesn't cast a spell on your stock bedding, rifling, barrel cleanliness, or bolt lock-up, so it's not a magic accurizing device. However, it does add weight and bulk to the barrel, and that can certainly change performance.