RENNtech ECU Upgrade | Bentley Continental GT Speed | 620HP/560LB-FT mercedes-benz-e-class-coupe--238---2017-present--e-450-esr8918284 Aston Martin DBX V8

RENNtech ECU Upgrade | Bentley Continental GT Speed | 620HP/560LB-FT mercedes-benz-e-class-coupe--238---2017-present--e-450-esr8918284 Aston Martin DBX V8RENNtech ECU Upgrade for Bentley Continental GT Speed. Up to 640HP 575LB FT Gains: +40HP & +22LB FT Our proprietary Bentley ECU upgrade offers rock solid performance from RENNtech, the foremost tuning authority on Bosch and Siemens engine control units. These same units are utilized in Mercedes Benz vehicles, which RENNtech has been tuning since electronic engine management started to show up in vehicles during the mid 1980's, though our proprietary

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