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      06-17-2009, 12:04 PM   #18
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Drives: '09 Cpe Silverstone FR 6MT
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Location: Colorado

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2009 M3  [4.00]
This mod is probably worth 5 or 6 hp and 3 to 5 ft lbs. Too bad no one dynoed here, but I'd expect it to be comparable to the Macht Schneel, which I dynoed at 6 hp gain. This is some of the cheapest easiest hp you'll ever find, besides 100-octane gasoline.

The butt dyno just isn't refined enough for these small gains.

dcstep is offline   United_States
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