Sanderson has a great reputation for a quality product, and they make headers for lots of applications (like a 500 Caddy in a 67-72 Chevy Truck)
I especially like the cast iron headers. I have not owned any but have friends that swear by them.
Heres an article not really about our trucks but has some interesting points.
They are a bit pricey.
http://www.streetrodderweb.com/tech/...haust_headers/
__________________
1971 Custom C/20 
1970 CST 20
1970 C/30 Flatbed
1983 C/30 Dually
2015 Corvette Z51 2021 Corvette Z51 1991 Cadillac Hearse 1982 Cadillac Eldorado Biarritz 2000 Porsche Boxster S 2020 Jeep Gladiator 1973 VW Thing 1973 Plymouth Satellite wagon 1963 Baja Bug 1959 Bug Dune Buggy 1970 Baja Bug 1987 Jaguar XJ 350.
R.I.P. El Jay
R.I.P Jessie.
R.I.P Grumpy.
Every day is a gift from God.