Got ya.. Thanks.. Guess new tune it is...

All three choices give the same option, no explanation in the manual or on your site I can find

Well this is the options I have... All give a choice of on our off... Can't you tell by the version number I have what to do?

Anyone? Would really like to install this offroad today if I can...

Car: 2007 ford mustang GT
Model: u7145
Version: V.8r07
Born date: 8/8/07

Question 1. is I'm currently running the Airaid 91 tune on my car with the roush CAI which I'm told is the same... What changes need to be made to turn that tune into a 93 octane tune?

Question 2.. With this older version ...