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the factory brake system is set up for everyday use and road driving
82mm throttle body kit and RENNtech stainless steel headers for a gain of +64 HP and +58 LB-FT over stock
RENNtech Performance Brake Package I
The R2 performance package increases performance to 716 hp and 826 lb-ft without sacrificing daily driver comfort or reliability and offer huge gains across the entire RPM range
RENNtech ECU Upgrade | Bentley Continental Flying Spur Speed | 640HP/575LB-FT mercedes-benz-gl-class--166---2013-2016--gl-63-amg-biturbo-4matic-esr3783563 the factory brake system isRENNtech 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