~4 years ago, I bought a Predator, and loaded up a tune for my '08 5.7 Charger (91 Octane, CAI, disable the system that shuts down cylinders, tweaks to the shift points if I recall correctly, etc). All has been well, no troubles. I've been happy with the tune. I think it's a good sign that I haven't ...

Thanks Mike- I wondered if that might be the case. Now we know!

Throttle response seems more linear with the Diablosport tune... seat of the pants says just a little quicker. Not feeling a huge difference in the top end. Could be the old placebo effect ;-) Don't have dyno or drag strip times to compare apples to apples. Got a CAI on order, hopefully the Predator ...

I have an '08 Police Interceptor (Hemi Charger). I think it's a whole lot like a 5.7 R/T, but am curious what the differences are in the software. For instance, I'm pretty sure max speed is just turned off; but I wonder what else is different.

I have a Predator, and have installed the 91 Octane ...

I'm looking to purchase a U7135. Is there some way that I, or the (online) vendor, can tell if the unit is "new" (bigger memory) or "old" (smaller memory)"