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Originally Posted by blue2000s
What I'm saying is that the 250hp 3.2 from 00-02 and the 280hp 3.2 from 05-06 probably have different internal components that allow for the difference and if you want the early engine to match the output of the later, it's going to take more than simple bolt-ons and an ecu tune.
Did Porsche mean for the Boxster to always have a lower output than the 911? Of course.
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My point was that Porsche could've easily given the boxster S 280+ hp in 2000 without the high tech stuff like variable valve lift, etc etc. In fact I think the 280 hp 05-06 boxster S's don't even have variable valve lift or any cylinder head redesign over the older boxster S's. I read somwhere that the increase was due to the use of headers with equal length runners, bigger higher flow intake and newer 7.8.8 Bosch ECM. Basically, chip intake and exhaust.