Jb4 reviews?

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Rapptor20

Rapptor20

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pj_singh1994 said:
like the title says, looking for any reviews from people who have had the jb4 on the trucks for a while now.

trying to pick what tune to go with. jb4 has always seemed simple on and off on my past bmws.

if anything, ill just go cobb but i have the jb4 app on my phone already so thought might as well look into it

View attachment 140842
Click to expand...

Been on for a few weeks, like it so far. other modes are AFE Super Raptor and AWE 2FG. 0-80ish run on video

 

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