R1 Performance Package for S 65 (W221- 670 HP / 840 LB-FT) mercedes-benz-gls-class--166---2017-2019--gls-550-esr2384038 SL 63 AMG (R231 |

SL 63 AMG (R231 | FL MY2015+ | RWD | M157 | 5

CLASS S LONG (V 220) 500 V8 [7 gear] [2 Filters Required] (HP: 306 | Year: 03 > 05)

218 - CLS 63 AMG (FaceLift MY 2015 up / non 4-MATIC)

GT 63 S AMG S 4-Door Coupe (MY2019+ | X290 | M177 | 4

5 at 3800 rpm            Weight  kg 9

R1 Performance Package for S 65 (W221- 670 HP / 840 LB-FT) mercedes-benz-gls-class--166---2017-2019--gls-550-esr2384038 SL 63 AMG (R231 |R1 Performance Package for 221 S 65 AMG. Includes ECU Upgrade and High Efficiency Intercooler Pump. Up to 670HP and 840LB FT. Gains: +49HP & +102LB FT The R1 performance package includes our proprietary ECU tune and higher efficiency intercooler pump for increased, power, performance and throttle response across the entire powerband. R1 Performance Package includes: RENNtech ECU Upgrade RENNtech High Flow Intercooler Pump S 65 (W221) Stock