small amounts of water coming from the muffler is normal but if its antifreeze its not
Water dripping on the front of a portable air conditioner could mean that the air filter needs to be changed. Your evaporator coil may also be dirty.
No heavy water in the muffler.
water from the tail pipe usually means there is watered down gas in your tank and for the most part is normal at a couple of drips per min.
if a small amount of water is dripping it is normal condensation from running an engine
Your air conditioner may be faulty if it is not dripping water.
If something is "dripping", then it usually means that water is coming from it slowly and intermittently. For example, if a wet towel is hung on a rail, it would be "dripping" water.
Assuming there's nothing wrong with the car, then the water drip is caused by condensation from your air conditioner.
Are you sure you have a leak? Most of the time when using the air conditioner, your car will appear to be leaking water or dripping underneath the vehicle, towards the front.
Water leaking from the seal
yes and if it is frosty and the water is left dripping you can also get ice forming in your drains.
Water may be dripping from the shower faucet due to a worn-out or faulty washer or seal within the faucet mechanism, causing water to leak through. This can be fixed by replacing the washer or seal to stop the dripping.