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      02-13-2011, 05:16 PM   #132
Drives: 2012 Challenger RT Junk
Join Date: Dec 2010
Location: Houston/Pearland

Posts: 2,900
iTrader: (1)

Originally Posted by Airnow View Post
How is JB4 compared to JB3? I just installed JB3!
from what i've read, it appears that the JB4 makes more power and is a bit smoother during driving AND wide open throttle conditions.

but the steering controls and "on the fly map switching" seems to be really giving JB4 a head of steam.
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