If you like the chirp and wooshing noises of adjustable blow off valves on EFI cars you could try hooking one of those up where the deceleration valve was on the intercooler side of the throttle body and let it vent to atmosphere for the noise while your current blow off valve continues to recirculate air back to the turbo inlet.
Of course you would plug the hose inlet on the intake manifold.
Just adjust the spring tension on the blow off valve tight so it only opens a little on deceleration between shifts or experiment with it.
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