I used to run the Hooker Super Comp headers on my 68 Barracuda daily driver when I was younger. The one pipe on the driver's side hung below the k-frame and eventually got 70% crushed from going over speed bumps, high curbs, and pot holes over time. I ended up going back to stock exhaust manifolds.
Look at the headers that you are thinking about and see if they will hang below the k-frame or not. I would recommend getting a set that doesn't hang under the k-frame for durability and longevity. The ones that I used were the Hooker 5116 super comps, good for the track, but not practical for the street....
