Permatex 80333 Muffler & Tailpipe Putty

Permatex Muffler and Tailpipe Putty permanently repairs holes and leaks in exhaust systems. This two-pouch bonus pack seals out fumes at temperatures up to 2000 degrees Fahrenheit and is safe for catalytic converters. Permatex offers a range of products to repair cracks, leaks and holes on mufflers, tailpipes, catalytic converters and joints.