RENNtech ECU+ Upgrade | V167 | GLE 63 AMG EQ Boost | 745HP / 767LB-FT | 4.0L V8 BiTurbo EQ Boost | M177 | MY2021-2023 mercedes-benz-sl-class--232---2022-present--sl-55-amg-biturbo-esr7979792 R2 Performance Package for 199

R2 Performance Package for 199 - SLR McLaser

RENNtech rear suspension upgrade with heim joints utilizes four control arms (two upper and two lower) to connect the rear axle to the vehicle's frame

It allows on-car adjustment

S 55 AMG KOMPRESSOR (W220) Stock Performance:

Rated by RENNtech:               480 HP @ 5

RENNtech ECU+ Upgrade | V167 | GLE 63 AMG EQ Boost | 745HP / 767LB-FT | 4.0L V8 BiTurbo EQ Boost | M177 | MY2021-2023 mercedes-benz-sl-class--232---2022-present--sl-55-amg-biturbo-esr7979792 R2 Performance Package for 199ECU+ 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