JB4 Tuner for Porsche 992 & 992.2 Carrera, S, T, & GTS mercedes-benz-sl-43-2025--esr3215138 The end result is something

The end result is something that runs as smoothly as stock only with higher boost targets under heavy throttle

• Fuel economy unchanged during normal driving

Fuel economy during normal driving is unchanged

• 2016-2020 F32 F33 F36 B58 440i/440iX

Compared to NGK plugs they offer longer life and do not require manual gapping during installation

JB4 Tuner for Porsche 992 & 992.2 Carrera, S, T, & GTS mercedes-benz-sl-43-2025--esr3215138 The end result is somethingPower gains of up to 60hp and 80tq to the wheels on a stock vehicle Now includes the JB4PRO adapter and free app built in! 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