I see someone else is going with HP manifolds and assume those are from your "matching" motor?
What exhaust system have you installed?
I've always preferred factory cast for easy of instillation and the other known header issues.
I would "like" headers but TTI wouldn't make me any in stainless.
The options for protecting their mild steel option were not something I wanted.
And since I've already got the HP manifolds and TTI had the system I wanted already made up prior to a feared UPS strike , I spent 80 dollars extra for headpipes.
It can be changed later.