In the process of collecting all my parts. But the engine stats are as followed.

1) B18c1 block
2) LS crank 89mm
3) Eagle rods
4) CP pistons 81.5mm 12-12.5:1 compression
5) GSR ported head (port flow/4pistons)
6)upgraded valve train.
7)skunk2 pro 2 cams

But trying to determine what intake manifold would suite this build the best.

 

https://honda-tech.com/forums/all-motor-naturally-aspirated-44/all-motor-forum-%5Bfaq%5D-2628364/

Check out the many topics there discussing different manifolds and manifold dyno testing. If you have any specific questions after reading through those topics, then ask.