BMW M3 Forum (E90 E92) - View Single Post - Stock VS Challenge Street X-pipe -Dyno Graph

Zaw · 03-28-2012, 11:25 PM

14 more whp while retaining the primary cat? that seems high. Most people are making that kind of gains with primary cat delete. Like in the Race version.

03-28-2012, 11:25 PM	#11
Zaw Private First Class 10 Rep 103 Posts Drives: 2011 E90 M3 DCT Competition Join Date: Aug 2010 Location: Studio City, CA iTrader: (0)	14 more whp while retaining the primary cat? that seems high. Most people are making that kind of gains with primary cat delete. Like in the Race version.
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