Heatshield Products 100507 Thermaflect Shield 5" x 7" Reflective Heat Shield Barrier Continuous operating reflective temperature of 1100 degree Fahrenheit, 2000 degree Fahrenheit intermittent Capable of reflecting over 90 percentage of radiant heat Flexible bends conforms to almost any shape Simple installation, install in minutes Perfect radiant heat shield for mufflers, catalytic converters, DPF and more