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      12-27-2013, 10:45 PM   #3
N55Nick
Private First Class
Canada
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Drives: 435i xDrive
Join Date: Nov 2013
Location: Canada

iTrader: (0)

The jb4 will not stack on top of the ppk since the max boost will be the same. In other words, stock + jb4 = the same as ppk + jb4. If you want more power, get jb4 + downpipe