... emission standard and Euro 2,3,4 Material:Stainless steel Catalytic Converter All catalytic converter sastisfied EPA, Euro 2,3,4 emission standardMaterial: ... 3. Good function of anti-posioned and aging Inside the catalytic converter, this is a metal or ceramic honeycomb substrate,on the ... is universal, we can provide the standard of the catalytic converter model, the custom setup also can be accepted.