RENNtech Intermediate ECU Upgrade | R231 | SL 63 AMG | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2015+ mercedes-benz-cla-class--118---2020-present--cla-250-esr6895269

RENNtech Intermediate ECU Upgrade | R231 | SL 63 AMG | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2015+ mercedes-benz-cla-class--118---2020-present--cla-250-esr6895269Intermediate ECU Upgrade Up to 638HP 695TQ Gains: +33HP +25TQ 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

740 LB-FT @ 4

Our pre-preg production process ensures our customers receive an exceptional product which not only looks good on the vehicle while standing still

E63 AMG S 4MATIC+ (MY2018+ | S213 | M177 | 4

623 LB-FT @2

the extractor inserts complement the OEM carbon fiber hood of the AMG GT Black Series

695LB-FT @ 3

California

creating a smooth and durable high gloss finish

S8 (D4/4H)

642 LB-FT @ 4

Lamborghini Urus

61 sec 122 mph W212 - E63 AMG S 4MATIC Sedan  R2 Pkg + TCU Upgrade w/Launch Control 3