I've run several Ultras and they twisted, but not as bad as the original Mopar (Purolator) filter did. None of them tore or were compromised, so I don't think the twist is a big deal. I'm currently running a Mobil 1 filter, as I picked up 13 of them for $4 each on Walmart clearance. I'm at almost 5k on this OCI and will run it out to the end of the OLM. It is currently showing 45%, so I'm guessing it will go to 7.5 or 8k and then we'll take a look. I torque my filter cap to the OEM spec, so I am not sure that overtightening is causing the twist.
I did tear apart one of the Ultras and even though they twist, they are assembled VERY strongly. I had to use vice grips to get the pleats to come apart from the end caps and from their polymer mesh. The mesh backing looks alot like monofiliment, but it is very strong. I've heard that the M1 filter in this application is metal backed, but am not sure. Unless someone else knows, I'll tear it apart and will compare the two.
Here are pics of the Ultra torn apart. I'm telling you, that mesh is really strong!