Pond, why don't you give it a try and tell us how it worked?
Are you allowed to make new baffles for your silencer? That would be your best bet.
I suppose that would the surest way of getting results!! However, I don't see myself getting round to actually trying it out for a little while so you'll need to sit tight for results.
As for the baffles: I'm allowed to, but probably not able to!
You cannot wake someone who is pretending to sleep. Stop pretending. Wake up.
Freedom: Please enjoy responsibly.
Any idea that relies on murder for its survival in intrinsically weak.