Description
These extra wires plug into the JB4 harness allowing it to tune your air/fuel ratios, leaning the tuning out at higher RPM has resulted in significant additional power gains. Note new JB4 systems include these wires in the harness already.
Vehicle Fitment
• 2018+ KIA Stinger GT, GT1, GT2 3.3L V6 Turbo
• 2018+ Genesis G70 3.3L V6 Turbo
• 2016+ Infiniti Q50/Q60 VR30 3.0L V6 Turbo Luxe, Sport, Silver Sport, Red Sport
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