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Originally Posted by bmwm750
I have the TurboWerx headers and a RoW reflash, and it's great. While the secondary cats aren't great, flow wise, and are heavy, the worst part of your exhaust are the headers, which are atrocious.
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Interesting, there have been a few before/after's done on the Boxster headers indicating the aftermarket ones did very little and that the OEM headers, with the exception of being a bit ugly, worked pretty well and weren't the worst part of the Boxster exhaust system.
Do you have some before/after dynos on your TurboWerx ones? I'm not trying to be contrary, just looking for additional data. Thanks