R3 Performance Package | W463 | G 55K | 600 HP / 631 LB-FT | 5.5L Supercharged V8 | M113 mercedes-benz-slk-class--171---2004-2010--slk-350-esr6719359 681 HP 736 LB-FT W/S

681 HP   736 LB-FT   W/S 213 - AMG E63 ECU Upgrade 773 HP +92 HP 778 LB-FT +42 LB-FT W/S 213 - AMG E63 R1 Package 793 HP +112 HP 788 LB-FT +52 LB-FT W/S 213 - AMG E63 R2 Package 803 HP +122 HP 818 LB-FT +82 LB-FT W/S 213 - AMG E63 R3 Package 875 HP +194 HP 871 LB-FT +135 LB-FT W/S 213 - AMG E63 R3+ Package 1

Rated by RENNtech (peak @wheel):              854 whp @ 6

667 LB-FT @ 2

RENNtech is proud to introduce an all new rear decklid spoiler design for the Mercedes-Benz S-Class Coupé

CFD analysis

R3 Performance Package | W463 | G 55K | 600 HP / 631 LB-FT | 5.5L Supercharged V8 | M113 mercedes-benz-slk-class--171---2004-2010--slk-350-esr6719359 681 HP 736 LB-FT W/SR2 Performance Package for 463 G 55 AMG Kompressor. Includes ECU Upgrade, Crankshaft Pulley, Carbon Fiber Air Box, 82mm Throttle Body, Long Tube Headers and High Flow INtercooler Pump. Up to 600HP and 854LB FT. Gains: +107HP & +115LB FT Performance package R3 is the ultimate upgrade for your Mercedes 55 series AMG Kompressor! The R3 performance package includes everything found in package R1 & R2 with the addition of our stainless steel long tube