Catalog Section # Part name Qty Prod Prod date FINIS Part No. Ford Escort MkIII/Orion MkI (1981-1986) F4.20 - Exhaust System Less Catalyst (HL13, HL16) 2 Muffler assy - frontFORD (ECONOMY)Engine: HL16MFI 1 8/80 - 12/84 5018637 AM83AB5230MB