R1 Performance Package for Maybach (625 HP / 745 LB-FT) audi-q7--4l---2006-2015--4-2-v8-tdi-esr6363710 R3 Performance Package for Mercedes-AMG

R3 Performance Package for Mercedes-AMG GLS 63: ECU Upgrade (HHT)

our sound pipe upgrade produces more power in the mid-to-high rpm range

Up to 536HP and 552LB-FT

Up to 308HP and 285LB-FT

R1 Performance Package for Maybach (625 HP / 745 LB-FT) audi-q7--4l---2006-2015--4-2-v8-tdi-esr6363710 R3 Performance Package for Mercedes-AMGR1 Performance Package for Maybach. Includes ECU Upgrade and TCU Upgrade. Up to 625HP and 745LB FT. Gains: +125HP & +168LB FT The R1 performance package for the Mercedes 600 V12 engines includes our proprietary ECU upgrade, TCU (transmission control unit) upgrade in addition to our higher efficiency intercooler pump. This combination that provides huge increases horsepower, torque and throttle response across the vehicles entire powerband while still