It really comes down to what you're trying to do with the car. The JB+ is a more conservative tune which some people do prefer. However, the JB3 is going to give you a lot more gains. The difference between the pin out and the plug and play is night and day.
Pin out - you would have to pin each individual wire during the install
[img]http://www.**********s.com/images/Products/BMS/jb3_pinout2.jpg[/img]
PNP -much easier to install that will save you time
[img]http://www.**********s.com/images/Products/BMS/JB3_PLUGnPLAY.jpg[/img]
I'll send you a PM with more details!
- Alan
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