Those of us unfamiliar with cars can still tell when something needs fixing. If we hear strange noises and the car doesn't sit "properly", it may be time to head to the garage. When it comes to your muffler, there are a few ways to let you know it's time to replace it.

How can you tell if your car force exhaust needs to be replaced? Pay attention to the following signs when driving.

1) Pay attention to gas consumption. It's always a good idea to calculate the mileage from the last tank purchased each time you refuel. If you find yourself burning gas faster than usual and driving no further, it's time to have your exhaust checked. 

2) Watch out for a smoke. If one day you smell something unusual in your cars, such as an unpleasant odour or an odour that you would associate with a broken-down car, you should have it checked immediately. Problems with your exhaust can help increase smoke emissions.

3) Watch for changes in your car when you start the engine. With a good exhaust, your car engine will lift and purr well. If the sound is louder and less subdued, you may need to have your exhaust checked.

While all of these clues may indicate the need for a new exhaust, they can also point to other problems with your car. For example, your exhaust may be fine, but other parts of the car may be responsible for the anomaly. Whatever the case, you don't want to risk car trouble. Waiting too long can result in a repair that costs more to repair, or you may lose your warranty.