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Gearbangin

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kona61

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So how are you liking the JB4? I keep hearing complaints of jerky power delivery but was curious if this applied to the Supra. Also, I heard if you go catless the JB4 needs some tweaking to work properly?
 
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Gearbangin

Gearbangin

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Im running Titan down pipe no Cat. I have no complaints.
 

absaifan

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Too bad we don't have E fuel at the pumps
 

65sohc

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Have you monitored/logged your IAT with that open intake?
 

METAL

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I had a JB4 on my Genesis G70. Caused limp modes after 20k miles.
 
 








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