Not that I have the funds right now to do either one, but was curious if anyone has ever done both? I'd love to do the heads and cam setup that everyone is doing, but was curious if it was setup in such a way to allow a Twin Turbo install at a later date. I know that it requires an Arrow stage 2 tune (I think that's right) but the TT would probably take additional programming/tuning to configure properly, but you can't program the arrow PCM can you? Just dreaming out loud here.
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