Gents,
I have a 03 2wd rcsb that I am trying to get the stock y-pipe off of so that I can weld in an O2 bung for my wideband...and i'm not sure how to get it out. the Y-pipe is free and the 4 stock O2 sensors are disconnected, but I cant get the y-pipe flange forward of the tranny crossmember.

My manifolds are still attached and don't seem to be interfering with removal, but do I need to remove them? Also, do I have to remove the tranny crossmember? Thanks for the help!

 

You need to remove the trans crossmember if you want it to come down in one piece.

 

exactly, I had to remove the trans crossmember to put the long tubes and new Y on to on my old truck.

 

^ what they said. Support your tranny well.

 

Thanks guys, that's exactly what I did. I meant to delete this post because 5 minutes after making it I couldn't stand it any longer and just went for it, and what do you know! Thanks for the responses. Got my O2 bung welded in and now just have to put it back together, unfortunately work kept me from putting it back together tonight. Maybe tomorrow hopefully