Catalog Section # Part name Qty Prod Prod date FINIS Part No. Ford Sierra MkI (1982-1986) F4.10 - Exhaust System Less Catalyst (TL, PD23) 3 Muffler assy - rearFORD SUPER (LONG LIFE)Engine: TL20 1 8/82 - 10/84 5019231 AM83BB5K244LB Ford Sierra MkI (1982-1986) F4.10 - Exhaust System Less Catalyst (TL, PD23) FORD (ECONOMY)Engine: TL20 1 8/82 - 10/84 5019231 AM83BB5K244LB