RENNtech ECU+ Upgrade | Aston Martin | DBX V8 | 644 HP / 676 LB-FT | 4.0L V8 BiTurbo | M177 | MY2021-2023 mercedes-benz-cls-class--218---2015-2018--cls63-amg-biturbo-4matic-esr2890927 Up to 325HP and 365

Up to 325HP and 365 LB-FT

E 350 (W212) Stock Performance:

With the release of the Vantage V8

Stainless Steel Downpipes and Stage II Turbo Upgrade | Gains: +152HP

This is especially the case after removing the point-welded block in the link pipe that prevents bypassing the muffler

RENNtech ECU+ Upgrade | Aston Martin | DBX V8 | 644 HP / 676 LB-FT | 4.0L V8 BiTurbo | M177 | MY2021-2023 mercedes-benz-cls-class--218---2015-2018--cls63-amg-biturbo-4matic-esr2890927 Up to 325HP and 365ECU+ 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