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Originally Posted by jetpilot747
Who are the members here with a e9x m3 normally aspirated 390 RWHP or more?
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My old 2008 E92 M3 had a tad over 400whp using pencil geeks gear and ratio on a wheel hub dyno.
The mods were :
-full AA catless X-pipe and muffler
-AA filter
-AA Pulley
-AA Ecu tune