Originally Posted by Mike@N54Tuning.com
I know they made a revision recently to open the range up allowing for HFCs. Original development was done for fully catless only. Drop them a note and they can get you the revision for further testing.
I'm actually testing out their revised version as we speak. It's not my daily so I haven't put enough miles on it yet to get a code (or not). Hopefully I can put some miles in this weekend. Terry and co. have been great!