Stock diameter of stock exhaust?

Gen1, Gen2? pipes after cats are the same all the way down. I dont think a conclusion on gen1 was ever reached. Some measured and said they had 2.25'', and some say they had 2'', who knows, maybe they came with both, just like how gen1's came with 2 different gears. Gen2 is 2.25'' though.
 
They do vary in size on the gen 1..

If you go to autoparts2020.com, they have a diagram on there somewhere under replacement exhaust that shows the sizes. I know that going into the mufflers is 2"
 
I believe the rest of the exhaust is the same between the v6 and v8 but the bends at the cats might be different.. I can't put input there..
 

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