Heatshield Products 300078 Lava Turbo Shield Volcanic Turbo Heat Shield for T2 Flange (G25,27,28) Turbo Housings with Wastegate Continuous operating temperature of 1800 degree Fahrenheit, 2200 degree Fahrenheit intermittent Capable of reducing up to 60 percentage of radiant heat Superior design with silica contact layer, won't melt like similar volcano turbo shields Reduces turbo lag, lowers under hood temperatures