I don't see the reason for the extra Blow off valves, esp @ only 11 psi. (still don't get why the new AA kits use 3??)
One should me more than sufficient.
I have no doubt your still using the shitty OE clamps on the iTBS and that's whats causing lifting of the mani under boost. I would have prefered a brakcet to hold down the intake or better clamps (think t-bolt) on the ITBS if you can fit them.
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