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      08-10-2008, 09:48 AM   #3
Ronin13
First Lieutenant
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Drives: E92 M3, RRS Supercharged, S2K
Join Date: Jan 2008
Location: STL, MO

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The Gruppe M looks really cool and I'm sure is lighter given the CF construction. But, the stock induction system flows pretty good with the three intake points. I wonder if when we start seeing replacement high flow filters (vs w/charcoal layer) if it turns out the stock box is not a limiting factor.
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