The location for Bank 1 catalytic convertor , Bank 1 is where cylinder 1 is located, once cylinder 1 is located the other side is Bank 2. The engine you have is either a 3.6 or 5.7
Here a 3.6 engine cylinder 1 is where bank 1 is located which 1,3,5 are all that side is Bank 1 , the exhaust attached to it is Bank 1
Here the 5.7 engine the same applies
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