Honestly any more mods past what you have aren't worth it. I wouldn't spend more money on anything but injectors to run E85 if you have that available locally. You can probably make 320whp on E85 with a good tune w/ your current mods. Going from 320whp to 350whp will cost you as much as FI and it will still be slow.
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Creator of the GTR TT Conversion Kit, NA Record Holder (401WHP)
Ecutek Master Tuner (VQ37, VR30, VR38, B58, S55, S58)
BTWTuning
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