AFE stage 3 Intake or Macht Schnell Intake?
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03-21-2013, 10:57 AM
Drives: 2011 M3
Join Date: Sep 2011
Data is there, my testing is described thouroughly. Take it as you want.
What makes you think the AA can't lose power?
There is also a spike near redline if you look closely, a spike of 3-4whp
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