An aluminum flywheel will make a lot more noise than a steel one. Both will make a lot of noise, but the aluminum will be worse. If that's a concern at all, go with the steel one.
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2011 MB Touring-Sport-6sp-Nav/GTM TT/FI TT TDX/JTran/Kosmic/Eibach/Hotchkis/SPC/CSF/RPS/SoThatsWhereAllMyMoneyWent
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