JB4 Tuner for 2023+ Nissan Z 3.0L - Burger TuningPower gains of up to 100hp and 120tq to the wheels on a stock Nissan Z The JB4 performance tuner for the new 2023+ Nissan Z is plug and play and attaches to two easy to access sensors in the engine bay and works with your factory DME tuning to remap your boost, timing, and fueling for optimal performance and reduced turbo lag. The JB4 manipulates the ECU boost control signals allowing it to modify boost levels but does not manipulate the ECU manifold