The muffler is a part of the exhaust which deadens the sound from the engine. You need one if you don't want your neighbours to kill you because without it,your car will be very loud. Even a small crack in the muffler can make your car noticeably louder. Check Engine Light from doin...
You may experience a loss of power or unpleasant noises if there’s a hole in your exhaust system. The result of deep potholes which cause a car to bottom out and scrape the undercarriage against the pavement, potentially denting or ripping a hole in the exhaust pipes, muffler, or catalyti...