JB4 Tuner for Maserati Ghibli, Quattroporte, Levante, & Grecale 3.0L Aventador JB4 is simply the most

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

Torque limits are raised to allow to run higher torque levels

For those who require both – QuickSilver’s got you covered

• Fantastic yet refined Aston sound

JB4 Tuner for Maserati Ghibli, Quattroporte, Levante, & Grecale 3.0L Aventador JB4 is simply the mostThe 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