JB4 Tuner for Maserati Ghibli, Quattroporte, Levante, & Grecale 3.0L Aventador • View and record up

• View and record up to 40 gauges/engine parameters in real-time with the JB4 app

Torque limits are raised to allow to run higher torque levels

JB4 is simply the most capable tuning system available for the VR30 platform

-> Rear Side Splitters (Left & right)

JB4 Tuner for Maserati Ghibli, Quattroporte, Levante, & Grecale 3.0L Aventador • View and record upThe JB4 is a plug and play tuner that attaches to two easy to access sensors in the engine bay and works with your factory ECU tuning to remap your boost, timing, and fueling for optimal performance and reduced turbo lag. It features a 64mhz processor allowing sensors to be sampled 800 times per second using dedicated 10 bit digital to analog converters, ensuring smooth and powerful performance. Unlike other tuning systems for the Ghibli, it also