Quote:
Originally Posted by semtex
Berk had theirs on the market before Stillen did. At the time I ordered, the Stillens weren't even available, so that's the main reason many of us went with Berk, I think. As for gains of one over the other, Berk has proven dyno gains. I have yet to see a dyno on the Stillen HFCs, so I can't say if one will have substantially more gains over the other.
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Ditto. I went with Berk's HFCs because they were available at the time and Stillen's were not. I don't really have any solid opinions about the relative difference other than the obvious things everyone points out from pics of the two.