Hedman 78038 Elite Hedder Heavy gauge steel primary tubes prevent burn-through caused by the excessive heat produced in high performance engines Protects your hedder investment against the elements, and withstands temperatures up to 1400 F Thermal coating keeps heat inside the primary tubes for lower engine compartment temperatures Durable 3/8" flanges prevent warping to ensure a leak-free seal Withstands the brutal punishment and vibrations of off-road use