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      03-08-2016, 10:26 PM   #63
Cortes2141
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Drives: 2007 z4M
Join Date: Dec 2013
Location: United States

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Hey out of curiosity, why the SS v1 stepped headers and the modification to make them work? Also, I had read somewhere (I'd have to dig it up) that stepped headers weren't as good for S/C....your dyno results clearly disagree...I was looking at CSL euro headers and euro section 1....I wonder how the results would compare.
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