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Old 01-08-2005, 10:47 AM   #2
Scooby Specialist
Member#: 44193
Join Date: Sep 2003
Chapter/Region: South East
Location: Relocated to Raleigh, NC
2008 WRX STi


You may not have spike at all; it could be the way your tuner designed the boost mapping.

ECUTECK is good stuff they can ramp the boost up in the low to mid range and then taper it off as the revs climb for a safety factor. ANd of course they compensate for the increased boost with adjustments in the other areas IE fueling ignition etc. This may be what you have.

Was it dyno or road tuned? Or thru the mail?
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