mikel wrote:Its not that they do not work...its that the PCM/TCM just CANNOT do this.
It is not possible with the way these cars are set up.

Thanks

So the predator will not work on my 07 300C? I thought it did. I need to go back and do some more reading. Sorry about that.

mikel wrote:The PCM is the computer in the car.

Thank you but I didn't read where the guy asking about the dyno run had changed his. What am I missing?

Mike_Levy wrote:They advertise it with a freer flowing exhaust and different PCM software, neither of which would have any effect at all since both have already been changed by him.

What is a PCM and how do you tell if it is changed? I am missing something here. I thought all Hemi cars were RT's. Thanks

This feature does not work in all vehicles.
It seems to not work on any 07-08 vehicles, as the PCM will not support the change, no matter what we tell it.

Thanks
I have been thinking about buying the predator for my 07 300C but I am not sure what to expect after reading this and other forums at ...