Car has been running with no issues EGR had a small leak on connection to my SD headers so I put some RTV on it last night after getting home from work...did not unhook anything just applied RTV around connection...went to go to work this morning car would start then die within couple seconds...applying throttle would keep it running for a extra second or two and would die...pulled codes on my Aeroforce and it is throwing po520 po443 and p1133...I have had zero issues since I installed the SD headers couple weeks ago...front and rear o2 sensors have ZZp extensions and are ziptied away from exhaust...Anyone have any thoughts?