Re: Catch Can siezed up...
I did that a could times too, I wrapped some blue painters tape around it to give me more grip to get it off. Now, in addition to not tightening it so much, I leave a little oil on the threads and O-ring, not sure if it helps, but hasn't hurt anything yet.
2015 Billet Silver
2012 300SRT, 2009 Jeep SRT, 2006 Charger SRT
Too many mods to list for each, so let's just say a lot was done over the years.