RENNtech ECU+ Upgrade | V167 | GLE 63 AMG EQ Boost | 745HP / 767LB-FT | 4.0L V8 BiTurbo EQ Boost | M177 | MY2021-2023 hsm Rated by RENNtech: 843 HP

Rated by RENNtech:         843 HP @ 6

Aston Martin DB11 V8 (MY2018+ | M177 | 4

with a semi-floating spoke design

570 LB-FT @ 1800 RPM

Stainless Steel Downpipes and Stage II Turbo Upgrade | Gains: +186HP

RENNtech ECU+ Upgrade | V167 | GLE 63 AMG EQ Boost | 745HP / 767LB-FT | 4.0L V8 BiTurbo EQ Boost | M177 | MY2021-2023 hsm Rated by RENNtech: 843 HPECU+ Upgrade Up to 745 HP 767 LB FT Gains: +97 HP & +54 LB FT RENNtech HHT (Hand Held Tuner) allows you the unlimited ability to switch between tuned and stock ECU programming without ECU removal! RENNtechs proprietary tuning module contains both the Tuned file as well as your vehicles Stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can