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: TL18, TL20H 1 10/84 - 12/86 6146566 85BB 5K244 BA Ford Sierra MkI (1982-1986) F4.10 - Exhaust System Less Catalyst (TL, PD23) FORD (ECONOMY)?Engine: TL18, TL20H 1 GB 10/84 - 12/86 5020047 AM85BB5K244BA