RENNtech R1 Pkg | C218 | CLS63 AMG | 696 HP / 801 LB-FT | M157 | 5.5L V8 BiTurbo audi-q7--4l---2006-2015--4-2-v8-tdi-esr6363710 Rated by RENNtech (peak @crank):

Rated by RENNtech (peak @crank):              579 HP @ 5

RENNtech front and rear height adjustable spring perches

0L I6 Turbo EQ Boost | Up to 541 HP / 571 LB-FT | Gains: +48 HP & +54 LB-FT

and variable turbine geometry

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RENNtech R1 Pkg | C218 | CLS63 AMG | 696 HP / 801 LB-FT | M157 | 5.5L V8 BiTurbo audi-q7--4l---2006-2015--4-2-v8-tdi-esr6363710 Rated by RENNtech (peak @crank):R1 includes: ECU Upgrade, Diverter Valve and Air Filters Gains: +146HP; +257LB FT The RENNtech R1 Performance Package is the perfect entry level performance upgrade for the E 63 AMG. With the combination of the RENNtech ECU Upgrade and the latest, 3rd generation Diverter Valve RENNtech is able to add up to 146 HP and 257 LB FT to the 5. 5L V8 BiTurbo engine (compared to RENNtech rated stock performance). The addition of the upgraded diverter valve