so a set of skunk2 stage 2's would make like another 7 or 8 more horsepower, sheer insanity, and upgraded valve springs + rev limiter means more power from more revs (i dunno about much over nine though), a 4-1 and skunk2 manifold would produce even further power still... man, thats suprizes me 184 wheel horsepower on such a "mild" build. I'll definitely go B16 now!