need proper tune?!

[DC2japspecGSR]

hey people. I currently have a 1996 dc2 integra vti-r (australia) with gsr jap spec b18c all stock internals x-force 4-2-1 header magnaflow high flow cat 2.25" and 2.25" exhaust with perth rezzi and x-force cannon. skunk2 (ITR REPLICA) intake manifold, CAI and hondata s300 p28 tuned on 98 oct .. thing is, it only made 150.1whp..?
any suggestions or if anybody has similar set up.

thanks

[keto06]

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