You cannot avoid the noise an aluminum flywheel makes. It's not the manufacturer's fault...it's just that since the stock flywheel is dual-mass, it covers up those harmonics. A single piece, lightweight flywheel inherently is going to produce that noise.
1992 Eagle Talon TSi - sold (POS)
2002 Mustang GT - sold
2002 SVTF - sold
2008.5 Mazdaspeed3 GT - cursed
2003 350Z Track - basically stock, and it runs