2018 Quicksilver Metallic Jet Black Leather SLT-1 Tow Package
It looks the moderator has gone in after you have posted a Full Size and reduced it probably to save space or something computer related that I have no earthly idea about. Lol!!Why can't I click/enlarge some photos lately... hmm (edit, even more strange, I can get a FS view in my post!?).
Anyway, that's the only way that makes sense to me for any V engine. One sensor after each exhaust manifold/port to check fuel/air mixture etc., one on each bank after cat to ensure cats are operating properly. The 2009 only had a V6, yes?