Able to reflect continuous heat up to 750F while offering a quality profession look, Cool Tube Extreme(TM) is flexible enough to conform to tight bends and provide superior protection against extreme under hood temperatures, weather conditions and abrasions. Made from a special composite material with a spiral wire reinforcement, Cool Tube Extreme(TM) is ultra-light that can be slit lengthwise to apply to cables, wires and hoses. Trim to length Can be slit lengthwise for easy install Tough, durable with an easy to clean finish DO NOT apply directly to exhaust components.