RENNtech ROM Software | VMax Increase | M176 Engine rolls-royce-phantom-coupe-esr5447465 This process creates a laminate

This process creates a laminate with a precisely controlled resin volume and

Made from rich

352 HP @ 5600 RPM

dealer charges

ECU+ Upgrade | Up to 773 HP / 778 LB-FT | Gains: +82 HP & +84 LB-FT

RENNtech ROM Software | VMax Increase | M176 Engine rolls-royce-phantom-coupe-esr5447465 This process creates a laminateThe VMAX module raises the factory speed limiter. The RENNtech Option Modules (ROM) are electronic modules that offer quick solutions to override electronic factory settings and restrictions. Installation is done in minutes through the OBD II port, and requires no tools. Fitment : 20182020 W222 S560 20182021 C217 S560 20202023 X167 GLS580 20212023 V167 GLE580 20162018 W463 G550 20172018 W463 G550 44 20192024 W463A G550