RENNtech | ECU Upgrade | W463 | G 63 AMG | 635 HP / 620 LB-FT | 5.5L BiTurbo V8 | M157

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RENNtech | ECU Upgrade | W463 | G 63 AMG | 635 HP / 620 LB-FT | 5.5L BiTurbo V8 | M157RENNtech ECU Upgrade for 463 G 63 AMG. Up to 635HP and 620TQ. Gains: +99HP & +60TQ 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

443awhp @ 5

448whp @ 5

351 whp @ 6

Improved response

RENNtech proudly introduces this addition to an already impressive and highly successful aerodynamic upgrade program for the Mercedes-Benz SLS AMG

): 685 HP @ 5

Bumperette Delete for 2021 AMG GT Black Series

446 lb-ft @ 4

RENNtech AMG GT63 Rear Diffuser is a perfect fit to the vehicles OEM bumper

570 awtq @ 3

front canards

160 sec 10