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Ships within 48 hours · Estimated delivery Aug 6 - Aug 11
Rated by RENNtech (peak @wheel): 665 whp @ 5
The RENNtech R3 Performance Package includes: RENNtech Turbo Upgrade
RENNtech Performance Brake Package I
The lighter performance exhaust system unburdens the rear end and centralizes the weight in a more balanced manner
RENNtech ECU Upgrade | Bentley Continental Flying Spur Speed | 640HP/575LB-FT mercedes-benz-gl-class--166---2013-2016--gl-63-amg-biturbo-4matic-esr3783563 Rated by RENNtech (peak @wheel):RENNtech ECU Upgrade for Bentley Continental Flying Spur 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
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