JEGS Lava Wrap is made from crushed volcanic rock with a woven pattern look. 25% stronger than fiberglass wrap for prolonged life and durability. Designed to reduce radiant heat damage and lower under hood temperatures on the outside by as much as 50% while maintaining hotter exhaust gases inside for more horsepower. Withstands up to 1200°F direct/continuous and 2000°F intermittent. JEGS Lava Wrap is specifically made to be used on all types of exhaust tubing, headers, mufflers and catalytic converters. Not for use directly on a turbo. See guide below for usage and overlap. Requires stainless cable ties or hose clamps for retention (sold separately). Made in USA.