$2230 is nuts. That's really uncalled for and way over priced. Stainless Works has been making their 304 headers for half that for pretty much ever. They may not have this particular application but they have many many others.
Here's what $1600 will buy you and I can assure you, it's a more difficult fit than putting headers onto an LSx in a 1st gen. These are some of the best C5/6 vette headers on the planet.
http://www.lgmotorsports.com/catalog...c14775624dc194