I have ordered this exact part number twice. One time the kit didn't have an O2 connector, so I bought one from Revain for $5 and welded it in place. never mind. 6 months later I ordered the exact same part number for another car and it came with the connector already welded on. Maybe they fixed their crap? Before installation, please burn any shipping labels off this pipe or you will smell like burnt plastic for a while.