You wont much if any chatter on MFI because as soon as you let off the throttle the flap on the metering unit closes and muffles the noise.
For me, if you convert to efi just for the noise its a bit of a waste of time as mfi is good as long as you can put up with a dump valve.
If converting for power, then i suggest Go-tech. Prob cheaper then the whole malarky of swapping loom, ecu inlet manifold blah blah blah.
Just plug it all in, get it mapped, throw the metering unit down the toilet and your off.
Ask Jamie at Jamsport about it.