B>Extremely High Temperature Resistant Wrap for Headers< /B>: < BR>< BR>Insultherm® Header Wrap is an extremely high temperature resistant wrap commonly used to contain and manage hot gases in automotive and high performance headers and exhausts.< BR>< BR>Header Wrap is manufactured from texturized fiberglass yarns that are woven into a strong and flexible wrap with vermiculite coating.< BR>< BR>Remember when it comes to exhaust wrap, overlapping 1/4” is perfect as this allows just enough heat out to ensure performance without damaging your exhaust.