BowtieBrody
Jesus Murphy!
I currently have the JBAs. They're a pretty good header, stainless steel should help keep them from rusting and the ceramic coating helps keep under-hood temps down. They fit pretty comparably to the stock manifolds, which long tubes would not. They seal well to the head, and their collector design makes it essentially leak proof (no gasket). One thing to note though, because of the collector design you have to run their mid pipes, which adds ~$200 if I remember correctly. These are also stainless steel, and fit nicely. One possible downside is that the mid pipes are 3" diameter, which may hurt low end scavenging some. I honestly cannot tell if there is any difference in low end torque, to try to make up for it a bit I Y'ed the two tubes into a single 3.5" right next to the transmission.
I think they sound good for what its worth.
Also, steer clear of cheap painted headers that aren't stainless steel. I had a set and they only last 2 years before they came apart at the collector. They also didn't seal worth a **** to the heads, and the collector gasket constantly failed.
So I'd be looking at anywhere from $500-$600 to upgrade from the stock exhaust manifolds? JBA is really the only brand I commonly see, Doug Thorley is another, but I've heard and read some pretty negative things about them,