R1 Performance Package | W210 | E 55 AMG | 375 HP / 415 LB-FT | 5.5L NA V8 | M113 mercedes-benz-s-class--222---2014-2017--s600-maybach-esr8260065 443 LB-FT @ 1

443 LB-FT @ 1

X167 - GLS SUV GLS 580

Rated by RENNtech:              550 HP @ 5

(EVM) gives you complete control over the exhaust sound of your exhaust regardless of speed

it can produce more noise than a street tech kit

R1 Performance Package | W210 | E 55 AMG | 375 HP / 415 LB-FT | 5.5L NA V8 | M113 mercedes-benz-s-class--222---2014-2017--s600-maybach-esr8260065 443 LB-FT @ 1R1 Performance Package for 211 E 55 AMG. Includes ECU Upgrade and Carbon Fiber Air Box. Up to 374HP and 415LB FT. The R1 performance package for the Mercedes 55 series engine includes our proprietary ECU upgrade in addition to our full carbon fiber airbox upgrade which offers a larger volume of incoming air for better engine breathing and improved cylinder filling. This combination that provides noticeable increases horsepower, torque and throttle