Exhaust System: What’s Coming Out Of Your Muffler Tells All!

If you pay attention to the quality of your car's exhaust system you can get an idea of what's going on inside the engine. As the engine burns fuel and creates exhaust, lots of different things are happening. Unfortunately some of these things aren't supposed to happen. Things like burning oil, evaporating coolant and leaving unburned fuel in the exhaust -- these are not good to see. Pay attention to what's coming out of the muffler and you can get a good idea as to what problems your engine may be having, often before the problem gets worse, saving you money in the long run. The problem might just be a worn out muffler, but you will never know until you have your car checked.

Source: http://www.elkrivertireandauto.com/tips-blog/exhaust-system-whats-coming-out-of-your-muffler-tells-all