RENNtech ECU+ Upgrade | R231 | SL 550 | 540HP / 705LB-FT | 4.7L V8 BiTurbo | M278 porsche-911--991-1---2011-2016--gt3-esr3707851 Finished in a multi-layer UV

Finished in a multi-layer UV protective clear coating system

The AMG C63 Eventuri intake is a fully sealed system which was developed through extensive real world testing and airflow simulation analysis

The spoiler is coated inside and out with an all new acrylic UV protection system

- Audi RSQ8 (4M) 2019+

RENNtech ECU+ Upgrade | R231 | SL 550 | 540HP / 705LB-FT | 4.7L V8 BiTurbo | M278 porsche-911--991-1---2011-2016--gt3-esr3707851 Finished in a multi-layer UVECU+ Upgrade 540HP 705LB FT Gains: +92HP +167LB FT RENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal! Our proprietary tuning module stores both the RENNtech tuned file and 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 be