EXhaust , Nuffield   3/45, 4/65  Leyland  255, 262, 270, 272, 344, 384, 462, 472, 602, 604, 702, 704EXhaust , Nuffield 3/45, 4/65 Leyland 255, 262, 270, 272, 344, 384, 462, 472, 602, 604, 702, 704