Stock exhaust pipe question

I have a 96 V6 camaro. I was wondering if the stock pipe was mandrel bent. I always heard mandrel flowed 20% better so i was just wondering. Also was size pipe is on it. I am deciding between a new catback or a complete system with high flow cats and headers.

the stock pipe size is 2" diameter and i dont know about the mandrel bent thing, does it really matter if youre gonna get a new system anyways?

Get the complete system :)

I don't think stock pipes are mandrel bent, they have ridges in them

yeah, stock parts are not mandrel bent, thats an extra cost deal, meaning chevy aint paying for it ;) also, the catback vs complete depends on your fundage, if you got the money, the full system is worth it, if you dont, the catback will defineatly add a few hp, and make the car much more fun to drive cuz of how it sounds.