With my Staged turbos I am using 4" cold pipping (Thanks Proram). The outlet on the BHT3B is 3. 5" I am currently looking at using a silicone reducer to make the transition.
I came across this website and would like to share it with all you guys.
Inter cooler Hoses
I came across this website and would like to share it with all you guys.
Inter cooler Hoses