Our Stealth Felt Mat is the perfect high temperature insulation solution for heating issues caused by a diesel particulate trap retro fit, general exhaust heat, turbo wrap, or even for the down pipe. This material is a carbon pan based felt designed to take tempertures of 1800°F. The black side of this felt may be used directly on the exhaust system for direct insulation. The versatility of this product also allows it to be used as a heat shield thermal barrier by lining the engin compartment or under side of vehicle and facing the aluminum side towards the exhaust system to stop the radiant heat. Sold by the foot, all widths are 53".