RENNtech R1 Pkg | R231 | SL 63 AMG | 696 HP / 801 LB-FT | M157 | 5.5L V8 BiTurbo r-package 991 | Speedster

991 | Speedster

RENNtech ECU Upgrade for 463 - G 320

Options: Valve Stems Upgrade Lug Bolts Titanium or Black  TPMS Upgrade Center Caps Design V1 | Design V2 Tires Mounted and Balanced  Available: Track or Street spec

Up to 523HP and 560LB-FT

RENNtech R1 Pkg | R231 | SL 63 AMG | 696 HP / 801 LB-FT | M157 | 5.5L V8 BiTurbo r-package 991 | SpeedsterR1 includes: ECU Upgrade, Diverter Valve and Air Filters Gains: +91HP; +132LB 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 91 HP and 132 LB FT to the 5. 5L V8 BiTurbo engine (compared to RENNtech rated stock performance). The addition of the upgraded diverter valve helps