You don't! H2O is a product of combustion, and that is just how it is! That is why in cold weather you see "fog"; same liquid, different temp.
Replace it
All you need to do is replace it. It would take a welder to fix it.
water
The cost of fixing a tailpipe is based on where the new part is bought from, the brand of the part, and if an auto shop will be fixing it. The price can run $50- $150.
water
water in the tailpipe is normal. if you are trying to get a bunch out, just drive quickly up a steep hill.
possibly needs a new carborator
your moms vag juices not water
Water is a by product of the combustion and is normal.
You have a blown head gasket.
It's just condensation. Don't worry about it.
Water and carbon are byproducts of combustion. Its all good...