I downloaded the 9r21c and installed the 91 Octane performance tune yesterday. I also turned off the MDS. I don;t know what the dyno says but I can definitely feel a difference, great job!

I did notice that the ECO light in the EVIC still operates even though the engine is clearly not going into ...

How can I download to my Predator? The web site gives only an option for Challenger SRT8.
Thanks!

Has this been released yet?

I always used 91 octane in my '08 R/T Road & Track model. When I got the Predator, I started using 93 and ran the 91 Octane tune for a few tankfuls before switching to the 93 Octane tune.

I noticed a huge SOTP performane improvement when I went from stock to the 91 tune and only a slight ...

Great news!