RENNtech | HHT | ECU Upgrade | SLS AMG GT | C197 | 593HP/495LB-FT | 6.3L V8 N/A | M159 mercedes-benz-e-class-coupe--238---2017-present--e-400-esr9718640 The process allows us to

The process allows us to eliminate excess material around the hub / backpad surface area which reduces weight

Please call for details and Race fuel options +1-561-845-7888

With the RENNtech ECU Plus Upgrade the W213 - E43 AMG Sedan gains up to +14 HP and +57 LB-FT

402 HP @ 6000 RPM

Each pump is flow tested

RENNtech | HHT | ECU Upgrade | SLS AMG GT | C197 | 593HP/495LB-FT | 6.3L V8 N/A | M159 mercedes-benz-e-class-coupe--238---2017-present--e-400-esr9718640 The process allows us toRENNtech HHT ECU Upgrade for 197 SLS AMG GT. Up to 593HP and 495LB FT. Gains: +10HP & +14LB 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