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      01-16-2011, 12:23 PM   #66
First Lieutenant

Vigorous's Avatar
Drives: BMW
Join Date: Feb 2010
Location: Texas

Posts: 370
iTrader: (3)

I currently have JB3, but I have decided to go with JB4 when the upgrade is available (hopefully around $100). However, if more dynos and reviews come out with the Cobb that justifies me starting over and paying $900, then I will look into it again. I have too many other mods I want done on the car in the meantime.