JB4 Tuner for 2017-Present Porsche Carrera, S, GTS - Burger TuningPower gains of up to 40hp and 60tq to the wheels on a stock Porsche! The JB4 is an easy to install plug and play tuner that 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 SENT sensor technology required for properly tuning the latest Porsche platforms. Includes full CANbus allowing the JB4 to access and incorporate all engine