R1 Performance Package for Bentley Continental GT mercedes-benz-s-class--221---2007-2013--s-63-amg-esr7422703 +49 HP / +88 LB-FT

+49 HP / +88 LB-FT

Our intermediate ECU tune increases performance from 556 HP and 550 lb/ft torque to 624 HP and 680 lb/ft at the crank

703 wtq @ 6

ECU Upgrade: Our proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file

CLK CABRIOLET (A 209) 350 [2 Filters Required] (HP: 272 | Year: 05 > 10)

R1 Performance Package for Bentley Continental GT mercedes-benz-s-class--221---2007-2013--s-63-amg-esr7422703 +49 HP / +88 LB-FTR1 Performance Package for the Bentley Continental GT. Includes RENNtech ECU Upgrade and RENNtech Stainless Steel Sport Muffler. Our Bentley performance package 1 features our proprietary ECU upgrade and performance stainless steel exhaust. These two components truly unleash the true potential lurking underneath your Bentleys refined exterior. Our Bentley ECU upgrade offers rock solid performance from RENNtech, the foremost tuning authority on Bosch