R2 Performance Package for E 63 (W211- 566 HP / 518 LB-FT) mercedes-benz-g-class--463---1990-2018--g63-amg-esr9701448 designed in-house by RENNtech and

designed in-house by RENNtech and manufactured in the USA

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S63 (W221) Stock Performance:

Air Filters and Fuel System Upgrade

R2 Performance Package for E 63 (W211- 566 HP / 518 LB-FT) mercedes-benz-g-class--463---1990-2018--g63-amg-esr9701448 designed in-house by RENNtech andR2 Performance Package for 211 E 63 AMG. Includes ECU Upgrade, Carbon Fiber Air Box, Upgraded Throttle Body and Stainless Steel Headers. Up to 566HP and 518LB FT. Gains: +59HP & +43LB FT RENNtech performance package 2 includes our proprietary ECU tune in addition to our full carbon fiber airbox, 82mm throttle body kit and RENNtech stainless steel headers for a gain of +59 HP and +53 LB FT over stock. Performance Package 2 Includes: RENNtech ECU