Sams tunes are garbage. You really, really need a custom tune. It'll be safer and you'll make more power. It goes from felling like a NA car with aftermarket FI to feeling like a factory boosted car.
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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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