I don't know about more effective. I think at the end of the day, Intake A is going to be 2-3whp better or worse than Intake B, and that's within the range of dyno variance. There's only so much gains to be had on that front. Cost comes down to how much you can DIY, so there's no real way to judge that.
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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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