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      03-23-2012, 02:05 PM   #7
ZStig
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Drives: Interlagos Z4MR
Join Date: Jun 2008
Location: Delray Beach, FL

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Im ok with bolting stuff on but would rather not screw with things myself inside the engine itself. I drive hard, and i drive daily, im ok with paying a littme extra for the peace of mind plus warranty for the work. I did request before and after specs. I would try your shim idea if there were dyno proven gains though
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