POST 1Original post
I've done a lot of searching around, but no one seems to know if Porsche sports exhaust adds any HP or not to a Carrera S? Is there any dyno of regular vs. sports exhaust 997 Carrera S?
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YOUR RESEARCHsports exhaust - does it add any HP?
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POST 2Original post
Porsche does not claim any increase in power for the 997 PSE and there is no data, or reason, to believe otherewise. Porsche claimed an increase of 8HP w/ the revised exhaust for both the Boxster RS60 and the Cayman S Sport, strongly suggesting that if there is at least a credible, if minimal, improvement in HP they will market that to the public.
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