Manifold size

[White-V-6-S-Ten]

I was wondering if you guys knew what the size was for the exit for the exhaust on the stock manifolds for the 4.3

[Mikz86TA]

IDK for sure. Id have to dig mine out of storage and mic them

[Zygoat]

1 7/8" od. (would be the size of pipe that would be an exact match to stock)

[White-V-6-S-Ten]

Ok cause i am upgrading the ypipe soon. And was just wondering about it
thanks!