Catalog Section # Part name Qty Prod Prod date FINIS Part No. Ford Escort MkIII/Orion MkI (1981-1986) F4.10 - Exhaust System (BL11 -08.83, HL11) 4 Muffler and pipe assy - frontFORD (ECONOMY)Engine: HL11 1 8/80 - 1/83 5018623 AM81AB5230AFB Ford Escort MkIII/Orion MkI (1981-1986) F4.10 - Exhaust System (BL11 -08.83, HL11) 1 Engine: HL11 1 8/80 - 2/81 5018623 AM81AB5230AFB