RENNtech ECU Upgrade for the 205 - C 63 AMG 4.0L V8 BiTurbo. Up to 601HP and 657TQ. Gains: +56HP & +107TQ
RENNtech Stainless Steel Sport Mufflers w/Eclectronic Valves for the W205 - C 63 AMG BiTurbo. Gains: up to 10 HP & 15 TQ.
RENNtech Stainless Steel Downpipes with 200 Cell Sport Catalytic Converters for W205 - C 63 AMG
RENNtech R1 Performance Package for the W205 - C 63 AMG. Including: ECU, Sport Muffler, BOV Adapter. Up to: 611 HP / 672 LB-FT