JB4 Fuel Wires ADD-ON for Kia Stinger, Genesis G70, & Infiniti VR30 Q50/Q60

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