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Agree with everyone else...AFM valves only close in V4 mode when crusing. NPP will go fully open on cold start then close up which is what you hear. Also not sure if everyone knows this but if I'm driving in Manual shift mode AFM will not engage regardless of drive mode or speed.
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Current: '17 2SS Hyper Blue, A8, MRC, NPP
Past: '99 SS Camaro A4, '73 Camaro 383 A3
"Voices in your head are not considered insider information."
3800 Status - 6/16/16 (Built!)
6000 status - 6/29/16 (Delivered!)
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