Quote:
Originally Posted by iBenJAMM1N
Since Z1 headers make more power over the stock manifolds, I'm willing to bet there is another 20-30whp, I remember someone was mention a while back who has done this before.
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Someone did it. It didn't add the power you think it should.
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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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