Parts list for Header Installation
We have Off-road headers with a ORY. So we are going to be deleting the EGR. So I am assuming we need some block off plates. Anyone want to elaborate please?
Also can we just tune out 2 of the O2 sensors or do we have to have sims?
So this is my list so far:
Spark plugs
Spark plug wires (may as well change them while we are in there)
Header gaskets (any help with a brand or a good place to buy would be great)
O2 sensor wire extensions
Header bolts (locking? ARP?)
That is all I can think of. Any additional help would be very much appreciated.

