Suggestions for this brisket?

I did a little bit of research but got varying answers... Not sure if it changes much if it's pickled? Was about it cook it at 131°/1-2 days, but now I'm curious what other options are good.

I did a little bit of research but got varying answers... Not sure if it changes much if it's pickled? Was about it cook it at 131°/1-2 days, but now I'm curious what other options are good.