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Burger Motorsports has been manufacturing the world famous JB4 Performance Tuner for over a decade and their success continues with the release of the JB4 for the all New 2023+ Nissan Z.  The JB4 performance tuner for the new 2023+ Nissan Z shows dyno proven power gains of up to 100hp and 120tq to the wheels on a stock Nissan Z!! The plug and play unit attaches to two easy-to-access sensors in the engine bay and works with your factory DME tuning to remap your boost, timing, and fueli …