JB4 = FASTEST

The JB4 is a plug and play performance tuner for turbocharged vehicles, preloaded with custom software and up to 8 maps for different fuel types and modification levels. It connects between your vehicle’s sensors and ECU to safely increase performance. Installs and removes without a trace. Includes a 5 year warranty and free USA shipping.

Questions? Read the JB4 FAQ or ask the pros at sales@burgertuning.com
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