Quote Originally Posted by slovic
so incase you nubs, dont realize (punkr6) t3/t4 is noting but a flange. to answer your question you should be with a t3/t4 50trim on 10psi. "trim" is the actual size of the turbo meaning 50mm, 60mm, 71mm, etc... just some hardcore research, boost and enjoy!
this should help clear things up a bit

***The Forced Induction Forum FAQ Thread-Turbo Size, Injector Size, Turbo Manifold***