I have a 2000 focus se 2.0l d.o.h..c vin 3. I am looking fot a catalytic convertet that is carb compliant and direct fit. Does anyone know where online I could find one and what the part number is? And I also need the flex pipe fter the cat. Im reall hing a hard time finding these the descriptions make it imposible to knowfor sure when shopping online.and ladt but not least I need to know wht gaskets I will need.please help!