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      08-07-2009, 08:59 PM   #11
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Drives: '08 E90 M3, '13 Volt, '08 Ody
Join Date: Feb 2007
Location: Woodstock, GA

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Thank you for the testing.

Do you have any boost numbers to reference? Why the choice of Map 3 which is tamer? Please do not take this as scrutiny as I have some faith in the merits of the stock airbox. But the boost levels on Map 3 are lower and result in less pressure drop than higher maps. Would increased boost result in a greater differential?
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