No matter chrome or stainless make sure you get the correct ones if your present exhaust is pretty original. The 2nd gen Barracuda dual exhaust chrome tips are not straight, but are angled up.
I don't think the tips are bent up. They definitely are angled "up", but I THINK the tail pipe end is "angled up" so the tips look angled up. The dart is the same way, I feel. My '68 GTS, bought new, had tips "angled-up."
That is a bit of a pet peeve with me, also. It bothers me when they don't tip up slightly. That being said, I feel my 2nd Gen barracuda tips don't angle correctly, either. This bothers me no end, but the guy who did my exhaust didn't know any better, and I was fortunate I got anything, as it was an in-kind trade from years before.