RENNtech ECU+ Upgrade | Aston Martin | DB11 V8 | 615 HP/645 LB-FT | 4.0L V8 BiTurbo | M177 | MY2018-2023 mercedes-benz-sls-amg--197---2011-2014--sls-black-series--2014--esr5166974 SLR / ROADSTER (R199) 5

SLR / ROADSTER (R199) 5

The maximum power number reached with the RENNtech ECU Upgrade for the Aston Martin DBX V8 is 644 HP and 676 LB-FT

This set of wheels has been exclusively designed and weight optimized for the Mercedes-Benz SL-Class Models

TCU Upgrade: TCU upgrade delivers faster acceleration by matching the power output of our ECU and Turbo upgrades with increased Clutch Torque Limits

Disable the automatic engine start/stop function

RENNtech ECU+ Upgrade | Aston Martin | DB11 V8 | 615 HP/645 LB-FT | 4.0L V8 BiTurbo | M177 | MY2018-2023 mercedes-benz-sls-amg--197---2011-2014--sls-black-series--2014--esr5166974 SLR / ROADSTER (R199) 5ECU+ Upgrade Up to 615 HP 645 LB FT Gains: +85 HP & +89 LB 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. With the release of the DB11 V8, Aston Martin