Yeah, I know of that forum, and the guy that sells the headers to the folks on that forum; I'm just trying to find other potential sources for info too.
I'm also considering the Thorley header. It's about $150 less than the Leach, but supposedly doesn't make as much HP & torque as the Leach. From pics I've seen of the Thorley, it looks nearly as compact and restricting as the OE manifold..
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