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rayruner , one thing that should be noted about the valve:
It seemed to take the PCM a bit of time too fully adjust to the valve. OFC this is true for any bolt-on performance parts, but the valve seemed to require more time. I assume its because actual boost is changing in so many areas of the power band, it has a harder time adjusting and re-learning as quickly. Put at least a few hundred "mixed" driving miles on, and see what ya think after that.