cats

I've had my 06 gt for about a month Now, came with pypes muffler deleted axlebacks which sounded nice but wasn't loud enough for me, and i never got any popping on downshifts or decel. So i added a bbk x pipe with high flow cats... car sounds amazing and loud now. But it still does not ever pop...

Hey all.. so I just installed the BBK catted x pipe that comes with high flow cats on my 06 GT. About 20 minutes of driving my CEL came on, code is P0155 O2 sensor heater circuit bank 2 sensor 1. I realized the connector wasn't fully connected for the pre-cat sensor on the drivers side. I drove...