Thread: FS: E90/E92 N52 MMW Matte Black Ceramic Coated headers BRAND NEW!
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      03-14-2013, 12:52 PM   #35
Amini77
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Drives: Alpine White '13 550i
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Quote:
Originally Posted by JDane07 View Post
Haha why is thread still active?? I bought them.
Gains are negligible. Maybe most noticeable in the higher rpm range.
I just really hate how there's no dyno
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