Help!!! exhaust hosing size i most use?????
 

Hello every boddy, i´m fron Dominican Republic.

I have an 13b series 4 (1988) race ported, pinned and i have a turbonetics T72, i want to know the size of de exahust housing i most use. i want use this turbo a 28psi and i have a split custon manifold and a delta gate 45mm waste gate. I know i need a p-trim exhaust manifold but i´m not shure about the size most be this exhaust ( .92, .96, .100?????). I expect to obtend a 500hp a 28psi, is that possible.

excuseme but i dont speek english so well, please help me

Ey people, please help me!!!!!!!!!!!!