I forgot what intake manifold you are going to use? Does it bolt together to the exhaust manifold? That would be too much heating of your intake air if they bolt together.
If you can, look for a 4" inlet & relocate a inline filter to get cold air. I would not just bolt on a filter right to your 3" inlet, too much hot air in that area. Two cents. :-) Not trying to be pushy, just giving you some ideas.
MBHD
Yes, I am saying the flapper valve in the exhaust manifold.You would need to position the flapper valve to flow correctly for your turbo application.
