Thermo-Tec exhaust insulating wrap offers performance and protection all in one. Keeps temperature of the gasses as high as possible for greater velocity and higher efficiency. Wrap withstands 2000 degrees F, contains no asbestos. Easy to install, wet and l it will cling tightly to your exhaust chamber, then secure with Snap Strap or standard hose clasmps. Sold by the foot in 2in. wide strips.