Thanks all for the info so far.
ARK, I don't doubt that it's good but just curious during the testing did you have a prototype that had both an X and and H? If they were both tested what would have been the benefits as far as tq/hp gains in different areas of the curve? Or did you just go with the X right off the bat.
Also you are right some of the other systems (Berk, FI, ARK, Stillen) use and X. Seems like traditional Japanese tuners (HKS, Greddy ECT) use the H design.
Last edited by G Fo12ce; 03-12-2010 at 03:21 PM.
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