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93+ Octane gasoline is mandatory with the Stage I and Stage II Turbo Performance Package
RENNtech Power Control Module (CPC) Upgrade for:
R1 Performance Package for 211 - E 55 AMG
this collection reflects our commitment to historical accuracy and performance excellence
Using the RENNtech CPC with other non-RENNtech ECU software does not guarantee proper functionality
R1 Performance Package for Range Rover 5.0L V8 Supercharged renntech-merchandise 93+ Octane gasoline is mandatoryR1 Performance Package for the Range Rover V8 Supercharged 5. 0L Engine comes with an ECU Upgrade and a Larger Crankshaft Pulley. The Maximum Performance Ouput is up to 558 HP + 571 TQ. Gains: +50 HP 110 LB FT RENNtech has been at the forefront of ECU tuning since electronic engine management began to be utilized in vehicles during the mid 1980's. Our vast experience, countless hours of in house research, development, and exhaustive testing; ensure
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