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911st -
The cam timing is advanced and as you noted, it fills in the bottom a bit. You're right that some stock chips are better than others and Steve can advise on which ones are best. But I'm not sure that a Club Sport chip would be legal for my car since it alters the RPM limit.
One other benefit of this header system is that it's light compared to ER.
Bill
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Bill M
88 Carrera
86 944 SP1
06 Cayman SPC
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