Like any other part of your vehicle, your car’s muffler will naturally degrade over time. If you notice any problems with it, it’s essential that you get muffler repairs right away. It can reduce your car’s overall performance and cause unnecessary problems. Typically, the biggest risk to your muffler is rust. Condensation accumulates due to the water vapor that comes off of burned gasoline, which causes rusting. Also, if you’re involved in an accident or hit a pothole particularly hard, it can knock your muffler loose. if you notice your muffler is dragging, take it to your local mechanic right away.