redmyst
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has anyone heard of this tuner before and have any information on it and its actual gains if any?
JB4 Turner
JB4 Turner
5thGenRams Forums
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JB4 Turner?
- Thread starter redmyst
- Start date
I've seen posts from a few people using it. Mostly positive, and good increase in performance on the Hurricanes.
Andymax
Ram Guru
I used to use a JB3 on a BMW 535XI...it was pretty amazing and fairly easy to use. The new versions with phone app gotta be better I'd think.
