Hello all. I have a 1991 Toyota Pickup that I love. Today I got some metal-metal contact weld, and fixed three small holes in my muffler. Now it seems that when I crank it up a large amount of water and smoke are coming out the tailpipe. I only cranked it up twice before I came in the house so I don't know how long this smoke/water will last. I was thinking that since I plugged the holes in the muffler, that the condensation and possibly small debris that had collected in there over the years is now coming out as water and smoke. Is this a possibility or am I not correct in assuming that since the muffler is airtight, it will now try to clear itself out?

Can someone help me, or at least give me some idea as to how long this problem will persist? Thanks ahead of time!
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