Not everyone is aware of how crucial your car's exhaust system is to its overall health and performance. In order to provide safer and cleaner emissions, it diverts dangerous gases and pollutants away from your engine. If your exhaust system isn't working properly, it could seriously harm the engine and cause carbon monoxide buildups inside the car, which could be fatal for you and your passengers. Here are signs that your exhaust needs repairing as suggested by car garages in Reading : Loud Engine Noise Your car will likely sound louder than usual when you have an exhaust leak, which is the first sign you'll usually hear. On your exhaust pipe, you will find one or two mufflers that significantly lessen engine noise. The mufflers won't be able to muffle the sound if the exhaust leak happens before one of them because it will run out before them. Depending on the size of the exhaust leak, this will result in a louder engine sound. Check Engine Light Of course...