Quote:
Originally Posted by vtknight
Yes. This is also the information I have regarding the Porsche 911 Turbo platform. Bolts on have a very minor affect - it's mostly the tune that produces the gains. This isn't unusual of course - but there are some platforms - like the C7 Z06 for example - where the intake has a pretty big affect (~40 whp) due to the massive restriction on the car.
From my research and those of my friends who own them - and the Shop I speak with - Porsches don't pick up too much from exhaust/headers without the tune (and most tune with it anyway).
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Here's a December pass at the same sea level track with a Stage 2 tune and cat deletes....not quite as quick or fast as the one you posted but this one does not have the upgraded IC's so it's reasonable. DA had to be good.