Just ordered the ZT2 and a tactrix cable ready to start logging and tuning once they arrive. My question is, is the rear O2 spot the best place for permanent mounting, or should I have a hole drilled and bung welded?? What wire splicing will I need to do to use the stock rear 02 harness?? Very excited to start logging and learning but want to do the install right the first time. Any input/suggestions would be great, thanks to all in advance.
Sky.

 

Rear O2 is suitable.