"Pacesetter Mustang Long Tube Headers, 1 5/8"" Primaries, 3"" Collectors Armor Coated (96-04) GT 4.6 2v - Pacesetter Mustang Long Tube Headers, 1 5/8"" Primaries, 3"" Collectors Armor Coated (96-04) GT 4.6 2v"