Quote:
Originally Posted by itsnotanova
Bump on this thread. I just switched motors back from a 3.4 to a 3.2 and I don't notice any real difference in power. I have a 3.4 intake, 987 air box,4 inch pulley, 996 ROW tune, headers and custom made exhaust. I question why Porsche even bothered with building a 3.4.
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Wood,
Have you considered the Cayman intake plenums rather than 996s?