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TreDirtyFive · 06-11-2013, 09:09 PM

The ppk and cobb tunes do not make as much power as the JB4 Stg 2 on the N55 and this has been proven on dynos and on the track. Cobb is much more competitive on the N54 platform though.

06-11-2013, 09:09 PM	#9
TreDirtyFive Major 253 Rep 1,334 Posts Drives: X3 M40i Join Date: Jun 2008 Location: Los Angeles, CA iTrader: (11)	The ppk and cobb tunes do not make as much power as the JB4 Stg 2 on the N55 and this has been proven on dynos and on the track. Cobb is much more competitive on the N54 platform though.
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