S15Turbo+Greddy intake mani=??

[2.240s]

s13 redtop s15 turbo ,greddy fmic,boost contrl 9 psi,tomei expreme exhaust mani,3 in exhaust/test pipe,pump gas 91 octane. Going to add 555cc injectors,enthalpy rom tune 15psi and a greddy intake manifold.
Should i go with the Greddy intake manifold or is my set up not powerful
enough and will i lose alot of torque ??

[rps13drift]

no need for it! you will lose low/midrange power! invest in a set of hks step 1 cams. you will definetly make some ponies and not lose you low/midrande.