Alright, how can you tell the difference between an oem b16 obd1 header and an obd2 b16 header for the b16a2???? anybody? I need to know cuz i need put my car back to stock for a smog ref. I need the obd2 header for my 2000 civic si

 

obd 2 should have 2 o2 bugs in it. i think