Some NACA ducts like the gtr would work if we knew where to put them. I'm not convinced any of the aftermarket hood makers have done any more testing beyond "the vent looks cool right there". I'd hate to put the vent in the wrong place and make the situation worse.
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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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