Muffler and Tailpipe Bandage 125cm Epoxy impregnated fibreglass bandage that repairs cracks, holes, and leaks. Use for: Mufflers and tailpipes. The easy cost-effective way to repairing your exhaust system, just warm up the exhaust system (muffler) peel back the red overlay on both sides of bandage and then wrap the clear Centre around the damaged area overlapping will help.