Originally posted by Z3_GoCar@Nov 11 2005, 10:19 PM
I'm saying a custom header won't give you much when that's not what limits the engine. Actually the stock manifold is a 4-2-1 and tuned to go with the two stage intake. which means that it's about as good as it gets optimation wise.
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And how many headers have been designed and dyno tested to come to this conclusion? My guess is this is "common knowledge" just like with the 944, yet there ARE headers that make more than common knowledge believes.

My point is that you're saying you're done before you've undergone any development and testing work in this area.

Your request is not well founded.