Can anyone tell me where the O2 sensor is on an 06 road king. I'm new to this forum, been reading alot and thank Ya'll for the info. Bought it used and have put Rush slip on's on and a SE intake, waiting on Chris from Dobeck to send me my TFI. There's also a clip on the SE intake for a wire thet does'nt seem to be on my bike. am I missing something?? any help woul be appreciated.