B3 217 I B3 217 1977 B 350R EXHAUST SYSTEM EXC BR V 1 3 609 PIPE Crossover 554647 V 2 3 609 PIPE Mfld to Conv 553875 gf 3 3 685 CONVERTER Ctltc 8998556 j 4 3 609 PIPE Conv to Muff 1256435 l s 3 101 Mur r En ssvsss V 6 3 705 PIPE TaiI NA5 NA6 1256187 V Z 3 705 PIPE Tai NB2 1260399 I 6 A 6 n LN 1 B3 218 i B3 218 3 1 1977 BR 350R EXHAUST SYSTEM A s 1 1 3 609 PIPE Crossover 554647 0 2 3 609 PIPE Mfld to Conv 553875 V i 3 3 685 CONVERTER Ctltc 8998556 V i 4 3 609 PIPE Conv to Muff 1256435 T 5 3 701 MUFFLER 557339 6 3 705 PIPE Tail 1252200 9 V V I V i 0 AL i B3 219 i as 219 1977 BR 403 EXHAUST SYSTEM L 1 3 609 PIPE Crossover 554647 Q 3 2 3 609 PIPE Mfld to Conv 553875 V V 3 3 685 CONVERTER Ctltc 8998556 4 3 609 PIPE Conv to Muff 1256435 V V 5 3 701 MUFFLER 557340 V V I 4 6 3 609 PIPE Muff to Reso 1251925 9 0 7 3 702 RESONATOR 557343 j 8 3 705 PIPE Tail 557342 L 2 i GM PARTS DIVISION GENERAL MOTORSCORPORATION BUICK 4 IA 1 9 80 s ss 3 000 GROUP