As far as headers go. I don't have a V6 anymore, but I think maybe Texas T would be interested and the two of us could go visit the shop and see what kind of quote we can get. I would just have to talk them into a 4 into 1 collector and extra tube. The company is Dallas Performance. Here is a link to thier website. They have quite a few photos of their custom headers here:
Dallas Performance, LLC Headers and Exhaust