Exhaust Insulation Wrap AF91-3005Exhaust Insulation Wrap2" Wide, 50ft Length, Black AF91 3005 91 3005 Aeroflow's exhaust wrap is an innovative way to reduce unwanted and power robbing engine compartment heat, by wrapping your exhaust headers and down pipes you decrease exhaust density and increase exhaust flow resulting in more power! The White and Black exhaust wrap are rated to withstands 1200F 650C direct heat and 2000F 1100C of radiant heat.