header delima...

I like Dougs, but i've only used them on GM.

My TTI's are polished ceramic coated and 5+ years old. No issues as of yet (fingers crossed)

The rust issues were on Ceramics as well.
Daily drivers, - water would collect on top of the collectors causing really ugly brown stains on otherwise shiny headers .
Googled it , - lotsa complaints,
TTI wouldn't cover it even tho I was distributor, I said goodbye.
Doug's are superior quality and more cost efficient .