Ford part FINIS 5018631 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: HL13 1 8/80 - 1/86 5018631 AM81AB5230FC Ford Escort MkIII/Orion MkI (1981-1986) F4.20 - Exhaust System Less Catalyst (HL13, HL16) FORD (ECONOMY)Engine: HL16 1 8/80 - 1/86 5018631 AM81AB5230FC