Hooker makes one. Was not impressed with the quality of them but they did seal up great using OEM Vortec exhaust gaskets. The flanges were thinner than I would have liked coming from Thorleys on everything. Still better flanges than Flowtech though. I used steel headers and wrapped them to keep the heat out of the engine compartment and help keep the exhaust velocity high which helps scavenging.
JBA also makes a full length T409 stainless header. They will lightly surface rust but as I mention ZERO issues with their shorties on my 4.7 Dakota in the past 7 years. I had to change the gaskets once but that is only because I pulled the engine after breaking a valve spring and munching an intake valve.
https://www.summitracing.com/parts/jba-6830s