50 FT Thermal Wrapping Golden Heat Tape for Exhaust Manifold HeadersHigh Temperature 50 FT Thermal Wrapping Golden Heat Tape for Universal Fitment What it Does: Insulates exhaust manifolds and headers to drastically reduce under hood temperatures, prevent heat soak, and improve exhaust gas scavenging velocity. The Stock Heat Management Shortcoming Factory exhaust systems, particularly cast iron manifolds and thin walled tubular headers, radiate a tremendous amount of thermal energy directly into the engine bay. This