Opinion based and observation via inspection:
You may consider using an aftermarket H02/02 housing along with a down pipe going from 3" to 2.5?
This one is what I have and was pretty good quality. It did not come with the extra brace.
https://www.modernperformance.com/pr...ruiser_exhaust
Needwings is more expensive pretty much the same quality and should have the extra brace?
I also have an inexpensive E-Bay stainless down pipe of as good a quality as I have seen?
Neither may not do much if you do not do the exhaust manifold mod though?