Turbo exhaust outlet size? O.D.

[12vriviera]

Anyone know the turbo exhaist outlet size and clamp size for the sd trucks and possibly the obs power strokes? Thanks, searched for a bit but couldn't find easy enough, figured someone might have one laying around they could measure real quick.
thanks!

 

[mallardslayer07]

Don't take it to the bank but I'm thinking that it's 3 1/2 inch exhaust and the outlet flange is around 4inch maybe ????????

 

[12vriviera]

I got a pm just a bit ago, 4.25 od on flange then whatever size pipe it is...