Are you planning on swapping out the gears? My guess would be that all the top-end work you're doing will shift the powerband to the right more than a little. 4.08 gears would get you into the meat of the powerband faster.
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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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