Proflow Exhaust Wrap, Fiberglass Composite, 650 Degrees Celsius, 2 in × 25 ft Roll, Light Tan, 10 Locking Tie Kit - PFEHS-112025LTPart Number: PFEHS 112025LT Our exhaust wrap is constructed from a texturised fiberglass braid combined with vermiculite, which is resistant to extremely high temperatures of up to 650C directly. For that extra layer of protection we also offer a titanium version which is resistant up to 980C! This is used to wrap exhaust pipes, dump pipes, mufflers or even headers which protects surrounding components from heat damage while also reducing under bonnet