It's not nitrous. I'm fairly confident thay just gave the entire intake tract a quick port and polish. That, with the E85 and VVEL tuning should do it. Mike hit 342 whp and he was running pump gas. So another 15whp from an E85 switch is reasonable.
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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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