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911st 911st is offline
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Join Date: Jan 2004
Location: Sacramento
Posts: 7,269
There is probably small differances as to pre boost TQ, boost response, and efficiency, back pressure... between well designed and sized shorties and equal length system as it relates to a 930.

What maybe 100 or so rpm difference as to lag and a couple of poneys here and there. Again, on a well done for the application system.

If off idle a motor can only make 40 hp there is not much we can do with just the headers.

Other factors like turbo selection, intercooler volume, AFR, timing, compression probably make make and much or more of an impact.
Old 01-10-2010, 09:09 AM
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