do you need to do this update for an 07?

thanks for the reply.I guess it compensates for the higher price gas but the better gas mileage.

I just got a predator for my 5.7l truck and was wondering what you guys where doing to improve your fuel mileage.I have a cold air intake and gibson exhaust other than that its stock.I know everyone says to turn the mds off to improve it but are you guys running one of the preset tunes or are you ...

I just recieved my predator for my 07 dodge and I am new to the dodge stuff.I have always messed with LS1's.I was just wondering if the programmers for the 07's are haveing any of these problems since I havent got to use it yet.I seen the download for the 9r06 and didnt know if I should download it ...