RENNtech R1 Pkg | R231 | SL 63 AMG | 696 HP / 801 LB-FT | M157 | 5.5L V8 BiTurbo mercedes-benz-s-class--220---1999-2006--s-65-amg-esr3449432 the S 550 Coupé gains

the S 550 Coupé gains up to 66 HP and 139 LB-FT

The Mercedes-AMG GT63 4-Door Coupe (X290) is powered by the latest V8 BiTurbo -engine developed by AMG

in addition to serving as an attractive under hood showpiece

This set of wheels has been exclusively designed and weight optimized for the Mercedes-Benz SL-Class Models

and functionality is fully optimized when combined with RENNtech's fender-extractors

RENNtech R1 Pkg | R231 | SL 63 AMG | 696 HP / 801 LB-FT | M157 | 5.5L V8 BiTurbo mercedes-benz-s-class--220---1999-2006--s-65-amg-esr3449432 the S 550 Coupé gainsR1 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