RENNtech ECU+ Upgrade | Aston Martin | DBX V8 | 644 HP / 676 LB-FT | 4.0L V8 BiTurbo | M177 | MY2021-2023 porsche-boxster--981---2012-2016--boxster-esr1717716 Gains: +66HP & +102 LB-FT

Gains: +66HP & +102 LB-FT

616 LB-FT @ 3500 RPM

231 - SL 63 & 65 AMG - MY 2012-2015

Rated by RENNtech (peak @crank):              592 HP @ 5

RENNtech ECU+ Upgrade | Aston Martin | DBX V8 | 644 HP / 676 LB-FT | 4.0L V8 BiTurbo | M177 | MY2021-2023 porsche-boxster--981---2012-2016--boxster-esr1717716 Gains: +66HP & +102 LB-FTECU+ Upgrade Up to 644 HP 676 LB FT Gains: +102 HP & +94LB FT RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability. The Aston Martin DBX is powered by by one of