GMMG vs true duals dumped

i am soon going to rid of the flowmaster exhaust.....ive been in the army for 2 yrs now and have saved a little money to modify Molly, shes a 2000 z28 m6 w/ 71k tame miles....heres whats going in so far.....porting the throttle body, new MAF & 02 sensors, MSD wires & plugs, 373 gears, centerforce clutch, LS6 intake, also the differential was just replaced 2 months ago:), also replacing the timing belts & pulleys....new high amp alternator+ battery.....comp thumpr cam....also new pushrods, seals, rocker arms etc....high flow cats....w/ the exhaust which is going to have a deeper classic muscle tone.....w/ the cam....hooker LT w/ GMMG system or Hooker LT w/ custom 2 1/2'' dumped

oops....also a professional tune to be performed afters installs

I cannot really tell you your question, but I personally would not buy a new maf unless your old one is bad, if it is bad buy a stock replacement. Iv heard multiple bad things about the aftermarket MAF's.

Yeah, spend the money for the MAF on something else.