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      04-15-2013, 02:19 AM   #2
Andrew@ActiveAutowerke
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Drives: 2014 435I M-sport
Join Date: Dec 2011
Location: Miami Fl

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Some exhausts might not give this much but it should be close enough.

Full exhaust around +28 whp
Tune + full exhaust from +40-45 depending on the octane you have available.
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