RENNtech | ECU Upgrade | W463 | G 63 AMG | 635 HP / 620 LB-FT | 5.5L BiTurbo V8 | M157 mercedes-benz-sls-amg--197---2011-2014--sls-black-series--2014--esr5166974 Stock: 542 HP | 502
RENNtech | ECU Upgrade | W463 | G 63 AMG | 635 HP / 620 LB-FT | 5.5L BiTurbo V8 | M157 mercedes-benz-sls-amg--197---2011-2014--sls-black-series--2014--esr5166974 Stock: 542 HP | 502RENNtech 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
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Ships within 48 hours · Estimated delivery Jul 30 - Aug 4