R1 Performance Package | W220 | S 55 AMG | 372 HP / 411 LB-FT | 5.5L NA V8 | M113 mercedes-benz-ml-class--164---2006-2011--ml-350-esr8227524 Designed with optimum bolt locations

Designed with optimum bolt locations to factory mounting points

SKU: EVM:49

delivering up to 505 HP and 460 LB-FT with solid reliability and longevity

Our intermediate ECU tune increases performance from 556 HP and 550 lb/ft torque to 638 HP and 695 lb/ft at the crank

RPM Tuned: 484 HP | 485 LB FT

R1 Performance Package | W220 | S 55 AMG | 372 HP / 411 LB-FT | 5.5L NA V8 | M113 mercedes-benz-ml-class--164---2006-2011--ml-350-esr8227524 Designed with optimum bolt locationsR1 Performance Package for 220 S 55 AMG. Includes ECU Upgrade and Carbon Fiber Air Box. Up to 372HP and 411 LB 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