9 B3 220 83220 I I I n 1976 77 H 231A C EXHAUST SYSTEM I 1 3 609 PIPE Crossover 1976 1252364 3 609 PIPE Crossover 1977 1254071 2 3 685 CONVERTER Ctltc 8998163 3 3 609 PIPE Conv to Muff 1252457 4 3 701 MUFFLER W Pipe 231C 1252458 I 5 3 701 MUFFLER W Pipe 231A 1257801 7 B3 221 I B3 221 1976 77 X 305U EXHAUST SYSTEM Q co 1 3 609 PIPE Crossover 459988 I L I 2 3 685 CONVERTER Ctltc 8998163 0 3 3 609 PIPE Conv to Muff 466584 4 3 701 MUFFLER 1250144 5 3 705 PIPE Tail RH 1249498 6 3 705 PIPE Tail LH 1249497 B3 222 1976 77 X 231C 260 350H J EXHAUST 2 SYSTEM j 1 3 609 PIPE Crossover 231C 1254070 0 3 609 PIPE Crossover 260 554863 3 609 PIPE Crossover 35OH J 1252365 E 2 3 685 CONVERTER Ctltc 8998163 l 3 3 609 PIPE Conv to Muff Exc 260 466584 3 609 PIPE Conv to Muff 260 553870 I I 4 3 701 MUFFLER 23 1 C 1250145 I 3 701 MUFFLER 260 231989 I 3 701 MUFFLER 35OH J 1252767 If 5 3 705 PIPE Tail 231C 1255266 r 3 705 PIPE Tail 260 1249497 I 3 705 PIPE Tail 35OH J 1252664 GM PARTS DIVISION GENERAL MOTORS CORPORATION BUICK 41A I 3 000 GROUP 3 96 9 80