That white smoke is burning coolant. You have a blown head gasket or a cracked head. STOP driving this vehicle, or you will destroy the engine. Coolant has entered the combustion chamber and the lubrication system. The head must be removed, inspected for cracks or warping, and a new gasket installed. Flush the cooling system, inspect the water pump, and cooling fan, and replace the thermostat. Pour in a fresh supply of a 50/50 mix of coolant.
Replace If it has a hole or leak in it, replace it. A leaking muffler is a very dangerous thing. I know, I had a very serious accident from a leaking muffler. Carbon Monxide is a odorless, tasteless, killer. It put me to sleep and I never saw it coming. I did however wake up just in time to see the tree coming, and was unable to miss it. Spent 2 weeks in the hospital over a $20 muffler. Get yourself a new muffler.
Muffler loud noises
leaking or cracked manifold
it is the muffler, the spot welds are broke within the muffler
There many be minuscule holes in the floor or walls that are leaking water. If they are not visible, it may be because they are underneath or behind furniture.
overfueling, ignition/valve timing out, or hopefully just air leaking through knackered exhaust gasket into pipe, all causing secondary combustion.
A little water coming from the muffler for the first few minutes after you start the car is normal. Water vapor condenses inside the exhaust system when you stop the motor, and is expelled the next time you start. If there is a lot of water coming out, and it keeps coming even after the car is thoroughly warmed up, then it could be coolant leaking into the cylinders from a bad head gasket or a cracked block. You can have a mechanic do a pressure test on your cooling system to test for this. He also can test for the presence of exhaust gasses in the cooling system.
Most likely you are burning antifreeze. This could be cause by a leaking head gasket or an intake manifold gasket. This condition needs to be corrected quickly, as it could lead to catastrophic engine failure.
you need to find where the leak is coming from, but be very careful, if the gas is leaking onto or near any hot engine components such as the exhaust manifold, it could easily start a fire
You may have a blown head gasket.
If water is coming out from the bottom of your toilet, it may be leaking.
That wig stuff could be fiberglass used for absorbing sound but it shouldn't be coming out.