Site sponsor Schoenfeld now mass produces headers for our conversion for under $300! Nice price for painted long tubes.
Site member NITROUS now is developing some long tube OBS to GENIII headers. Contact him for status and pricing.
There are no long tube header options at this time, other than custom build it yourself types. Street and Performance (
Welcome to Street and Performance) makes some mid-length headers that some of the guys on here are running. They look nice. Check out Nitrous and MotoXLifer's trucks, they have them. Other than S&P, you're only other choice that I know of is custom built. Most guys run the stock exhuast manifolds. The Fbody manifolds work the best in my opinion.
Here are the ones I built from a set of big block truck headers and GM exhaust flanges...
