0 0 I 0 6 12P 4079 Q I I I 1 I J e q 4 U v ew 6 6 vnzw E A k r A I Q S T 6 I x F A J m cm Iv I 5 O I Q m V I PV l i 0 S I b v Ew vuzwlgl 1986 88 B6 EXHAUST SYSTEM up 4079 J W FEDERAL EMISSIONS OVERIDE NC7 A W 350 366 427 GAS ENGINE LF5 L86 L43 1987 GENERAL MOTORS SI Rg If PARTS OPERAT ONS M SB G