Can you put JB Weld on a muffler?

If you don’t have a lot of money, you can always use JB Weld to fix your muffler. JB Weld works great for repairing a hole in your exhaust or muffler. Epoxy and some fabric will work for fixing an exhaust leak. Leaky exhausts / mufflers can be fixed with JB Weld epoxy, if the hole is small you can use JB Weld.Click to see full answer. Subsequently, one may also ask, can JB Weld be used on muffler?JB Weld ExtremeHeat is perfect for making repairs on all manner of high-heat parts, including exhaust manifolds, mufflers, catalytic converters, exhaust pipes, engine blocks, fireplaces, smokers/fireboxes, and many more crack-prone items.Secondly, will JB Weld catch fire? As is all too common, your mechanic is wrong, JB weld won’t catch fire if you throw it in a volcano. Also question is, can a muffler be repaired? Overall, the cost of replacing your vehicle’s muffler can vary wildly, from under $200, to $600 or even more. However, bear in mind that in many cases you won’t need to resort to this – much of the damage which befalls mufflers can be repaired, without having to replace the entire component.How long will JB Weld last?At room temperature, J-B Weld sets in 4-6 hours to a dark grey color. A full cure is reached in 15-24 hours. J-B Weld has a tensile strength of 3960 PSI and sets to a hard bond overnight. It can withstand temperatures up to 550ºF when fully cured.

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