SWI Parts 2" x25ft Roll white Racing Fiberglass Exhaust Header Pipe Wrap Tape Dimensions: 2" (Width) X 1/16" (Thick) X 25ft (Length) This Fiberglass Heat Insulation Thermo Wrap is heat, flame and fire resistant Improves horsepower and withstands 1200 F direct / 2000 F radiant Reduce under hood temperatures a realistic 50% Added durability and heat retention, very durable