Need some sts Turbo help!
Exhuast: 3 5/8" O.D.
Intake: 2 1/2" O.D. with rubber reducer coupler too 2" I.D.
Turbo Intake: 4" O.D. with H.T.S. rubber reducer coupler too 3" I.D
Would it be a good turbo?
I should probably know this already but what is the hole in the neck for?
Exhuast: 3 5/8" O.D.
Intake: 2 1/2" O.D. with rubber reducer coupler too 2" I.D.
Turbo Intake: 4" O.D. with H.T.S. rubber reducer coupler too 3" I.D
Would it be a good turbo?
I should probably know this already but what is the hole in the neck for?

Im not sure what that hole is for




