Ford Sierra OHC Exhaust manifold, outlet 50,8

Sierra OHC 4-2-1 manifold. Pipe diameters (mm): 44.5-> 44.5-> 50.8 Note: Choose outlet pipe diameter; 50.8mm or 63.5mm - manifold fits to Martelius exhaust systems 160 013 (2") and 160 018 (2,5"). Welding is needed in order to fit with the original exhaust system.