Group 10: JB4 Tuner for VW Jetta & Golf EA211 1.4L TSI Type:1.0T All Add to full tank every

Add to full tank every 10

0L Twin-Turbo V6 Nettuno

JB4 for Porsche Macan S

The JB4 tuner installs between your car's sensors and the DME/ECU (computer) and manipulates vehicle performance through these connections making your vehicle much faster

AUDI A5 S-LINE 8T FACELIFT (2011-2016)

Group 10: JB4 Tuner for VW Jetta & Golf EA211 1.4L TSI Type:1.0T All Add to full tank everyGroup 10: JB4 Tuner This easy to install plug and play tuner attaches to sensors in the engine bay and works with your factory ECU tuning to remap boost, timing, and fueling for optimal performance and reduced turbo lag. Includes full CANbus allowing the JB4 to access and incorporate all engine data in its tuning strategies, incorporate unique safety features such as keeping boost pressure low until oil and water is up to temperature to provide proper