996 Turbo / GT2 Turbo discussion on previous model 2000-2005 Porsche 911 Twin Turbo and 911 GT2.

Headers

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Old Jul 12, 2004 | 07:31 AM
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Headers

I am currently running the Stage III GIAC program. If I change the headers do I need to change the program because of the decrease in back pressure?
 
Old Jul 12, 2004 | 07:34 AM
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Depends on what headers. If you use something other than what EVO or myself offers then you may need a retune.
 
Old Jul 12, 2004 | 08:05 AM
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Stephen, it is actually a set you made.
 
Old Jul 12, 2004 | 08:29 AM
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A good set of headers will result in the engine running richer, This is good. You retune the engine (leaner) which results in more power.
 
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