65 cuda exhaust pipe size?

wellllllllll...... I old fellow , ( ok so he's 70 and i'm 67)! LOL , country garage, good pipe bender. I have used him on more than a few old mopars. I been waiting on him for 5 weeks, he was on fishing vacation 2 weeks, then in insurance school ( sells farm owner ins on side) for next 2 weeks, finally get where I can haul it to him. load it and unload it in the rain. been pouring here for weeks!
yes it s tight. 65 273 cuda. I doesn't think he can make the tight bends!!!!! maybe he can't.
I can't find anyone that will sell me just sell a y pipe for it. accurtate exh. says my guy will never be able to make the int pipe.?? looks like that would be NO problem. y with int pipe pipe with shipping is like $$480. not on my late!
I guess I will have to just keep searching for a local bender. that should cost maybe $200 at most, around here IF I can find someone to tackle it.
I had to put this car back together from a roller in boxes. just need exh. I would like to drive it before i'm too old!!!!! LOL
like Cosgig says, his guy whined ALL the way to the bank!!!! LOL ( and thanks for those parts too!!!)...
I looked up Walker. 70 is the earliest they cater to for A body.
the bad part about now looking for a bender I loading it up, hauling there , unloading for them to look at it and then decide if they want to screw with it!!!
I could put together 5-6 B bodies for the time I have put into this cuda!!! LOL whinning over!