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      04-11-2012, 12:27 AM   #54
RoadRunner///M
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Drives: 1M (Sold), M3 F80
Join Date: Mar 2011
Location: Oz

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Quote:
Originally Posted by Denso View Post
So how much is the gain HP over stock ?
Didn't dyno stock. expect 8HP at the wheels and improved throttle response.

Gains between Berk/N55/MadDad's are probably all similar, choice comes down to the sound you want.