JB4 Tuner for 2010-2016 Porsche Panamera 971 & Cayenne 958 - Burger TuningPower gains of up to 75hp and 75tq to the wheels on a stock Porsche! The JB4 plug and play tuner attaches to 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 1000 times per second using dedicated 10 bit digital to analog converters, ensuring smooth and powerful performance.