The muffler...
A)is not a part of the exhaust system of engines.
B)has no influence on pollution.
C)reduces or silences the explosions produced inside the engine.Correct
The muffler is an essential component of a vehicle's exhaust system. Its main function is to reduce the loud noise generated by combustion and the expulsion of gases from the engine. Driving with a defective muffler or without one is prohibited, as it causes high noise pollution.