I replaced the forward catalytic convertor on the passenger side of my wife's 2006 Xterra. There was no way to remove the heat shield (for the exhaust manifold) in one piece. You probably could, but that would require the removal of some coolant line above.
I ended up cutting the heat shield, as well as prying it and smashing it.
You will need to remove all hanger bolts for the exhaust manifold, as well as loosening the bolts on the opposite bank catalytic convertor. I then used a ratchet tie down to pull the exhaust system to the rear of the car.
Be sure to use new exhaust gaskets as well.
I ended up cutting the heat shield, as well as prying it and smashing it.
You will need to remove all hanger bolts for the exhaust manifold, as well as loosening the bolts on the opposite bank catalytic convertor. I then used a ratchet tie down to pull the exhaust system to the rear of the car.
Be sure to use new exhaust gaskets as well.