Post Che Exhaust Dyno numbers

[Meir]

some questions
1. when you say you have the full Che exhaust system, you mean headers+cat bypass+muffler?
2. if you have the headers, how dose it work with the O2 sensors (and without the cats)?
3. what was the cost for the dyno test? (maybe i will do before and after).
the new engine is a standard 3.2?
4. what is the ROW tune (came across it many times in the forums, still don't understand what it means)

thanks.