Why would you have the car tuned with the AEM module in place? Why not take it off and have the tuner scale the MAF table for the intake piping diameter, rather than have him tune it for the stock diameter and adjust it with the AEM module?
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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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