How to Patch a Muffler Hole (Before and After Pics)

Curious as to how long it takes to cure and what it should look like after it's done. Check out the before and after photos. Watch as I patch my muffler hole. I stop it from spewing out exhaust gases on the passenger side of my vehicle. I did this job very quickly and had to let it dry for 24 hours. I am thinking this wasnt long enough as it was a little soft and not completely hard. I would say 30+ hours would be fine. This is kind of like JB weld but not exactly. It is not that thick and can be applied very easily with some latex gloves. I applied this muffler weld liberally until no holes were found. You may want to do two coats of this muffler weld just to be safe.

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