I JUST INSTALLED MY OBX HEADERS AND EVERYTHING WAS GREAT, UNTIL THE NEXT DAY WHEN MY CEL CAME ON. I HAD IT READ AND IT SAID THAT IT WAS NOT GETTING HOT ENOUGH TO HEAT MY CATALYST. IS THIS AN O2 SENSOR PROBLEM OR AM I COOLING TOO MUCH NOW. HAS ANYONE HAD ANY SIMILAR PROBLEMS? SOMEONE TOLD ME...