A heat shield comprising, a first shield layer defining a cylindrical inner diameter surface of the heat shield, the cylindrical inner diameter surface having a radius and an axis; an air gap layer radially outward of the first shield layer; a second shield layer radially outward of the air gap layer; and a first insulation layer radially outward of the second shield layer; and characterized by : a foil layer radially outward of the first insulation layer; a second insulation layer radially outward of the foil layer; and a third shield layer radially outward of the second insulation layer, wherein the third shield layer extends from a radially outer surface of the first insulation layer to a radially outer surface of the second insulation layer , and wherein the third shield layer forms a first ramp extending from the radially outer surface of the first insulation layer to a radially outer surface of the second insulation layer, and wherein the first ramp extends in an axial direction from a first structure portion of the heat shield to a second structure portion of the heat shield, and wherein the third shield layer partially defines the first structure portion and second structure portion a first shield layer defining a cylindrical inner diameter surface of the heat shield, the cylindrical inner diameter surface having a radius and an axis; an air gap layer radially outward of the first shield layer; a second shield layer radially outward of the air gap layer; and a first insulation layer radially outward of the second shield layer; and characterized by : a foil layer radially outward of the first insulation layer; a second insulation layer radially outward of the foil layer; and a third shield layer radially outward of the second insulation layer, wherein the third shield layer extends from a radially outer surface of the first insulation layer to a radially outer surface of the second insulation layer , and wherein the third shield layer forms a first ramp extending from the radially outer surface of the first insulation layer to a radially outer surface of the second insulation layer, and wherein the first ramp extends in an axial direction from a first structure portion of the heat shield to a second structure portion of the heat shield, and wherein the third shield layer partially defines the first structure portion and second structure portion a foil layer radially outward of the first insulation layer; a second insulation layer radially outward of the foil layer; and a third shield layer radially outward of the second insulation layer, wherein the third shield layer extends from a radially outer surface of the first insulation layer to a radially outer surface of the second insulation layer , and wherein the third shield layer forms a first ramp extending from the radially outer surface of the first insulation layer to a radially outer surface of the second insulation layer, and wherein the first ramp extends in an axial direction from a first structure portion of the heat shield to a second structure portion of the heat shield, and wherein the third shield layer partially defines the first structure portion and second structure portion <EOS>