Will JB Weld Work On Exhaust?

Will JB Weld Work On Exhaust? 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. Can I use aluminum foil on my exhaust? Next put the aluminum foil around the can, sealing off,