RENNtech ECU+ Upgrade | C190 | AMG GT S | 601HP/582LB-FT | 4.0L V8 BiTurbo | M178 | MY2018+ audi-rs4--b7---2006-2008--4-2-v8-fsi-esr4648829 Fits up to MY 2011

Fits up to MY 2011 & facelift 2012+ Sedan

The maximum power number reached with the RENNtech ECU Upgrade for the G63 AMG is 731 HP and 786 LB-FT

- Audi RSQ8 (4M) 2019+

0-liter BiTurbo V8 -engine (M177) found in the Mercedes-AMG S63 E Performance  vehicles

RENNtech ECU+ Upgrade | C190 | AMG GT S | 601HP/582LB-FT | 4.0L V8 BiTurbo | M178 | MY2018+ audi-rs4--b7---2006-2008--4-2-v8-fsi-esr4648829 Fits up to MY 2011ECU+ Upgrade Up to 601HP 582LB FT Gains: +65HP & +87LB FT RENNtech tuning products are certified to meet CARB standards in all 50 States. 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