10-28-2010, 03:12 PM
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#8
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Drives: VF620 M3
Join Date: Mar 2010
Location: Anaheim, CA
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Here is the baseline dyno, done on a 2011 BMW 135i 6MT:
And here is the dyno done after installation of the full Berk Technology Street Performance exhaust system (mid-pipes + axle-back):
The results are +15.5whp and +20.7wtq across nearly the entire powerband!
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