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      10-03-2012, 11:24 AM   #4
Moxie
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Drives: AW 328d Touring/SG 335d
Join Date: Jul 2009
Location: Stuttgart

Posts: 1,855
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From what I read & heard, you get more HP with the HFC's in the stock secondary position like the Evo. I went w/Challenge Sport & am happy....but, if I could have scored another stock midpipe I would have just deleted the primaries.
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