RENNtech ECU Upgrade for CL 550 | C216 | 402 HP / 405 LB-FT | MY2007-2010 lamborghini-huracan--2014-2024--5-2l-v10-esr8677629 GLS 450 BiTurbo (X166 -

RENNtech ECU Upgrade for CL 550 | C216 | 402 HP / 405 LB-FT | MY2007-2010 lamborghini-huracan--2014-2024--5-2l-v10-esr8677629 GLS 450 BiTurbo (X166 -RENNtech ECU Upgrade for 216 CL 550. Up to 402HP and 405 LB FT. Gains: +20HP & 14 LB 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 a few

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