In my 300C SRT8 I can raise the speed limiter from 170 to 190mph. And it works, I've tested it.

I'm using 8r17 in my u7135 Predator, but I don't seem to have the option to disable/enable ESP as the manual shows...

What could cause that?

Yep they sure did, noticed that last night. Thanks.

I have a new '07 300C SRT8 with Mopar CAI. I bought my Predator at a local performance shop last Friday and played with it over the weekend. Gotta say it really put even more spunk in an already great car.

However, I didn't see any 93 octane tunes but having dug around here I want to confirm that ...