J-B Weld Temperature Resistant Exhaust System Sealant 3oz 37903

Seal exhaust leaks effectively with this Sealant. This sealant withstands heat up to 850ºF and sets in just 30 minutes, providing durable protection for mufflers, tailpipes, catalytic converters, and exhaust pipe connections. After a quick engine run of 10 minutes post-set, it forms a reliable, long-lasting bond for your exhaust system.