best place for a custom manifold is most probably hypertune.... and or look to the states for a decent manifold.
The TD40H-15G is probably a little bit too small to achieve 140kw to 150kw at a resonably low boost level , however it will be at full boost early in the rev range. I think you would bemuch more happy with a GT28RS. resonable sized turbo, and in conjunction with a .64 exhaust housing it will come on boost early.
I'd say get rid of the E-Manage and find your self eith a hondata or a power FC.
james
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