R1 Performance Package for Maybach (625 HP / 745 LB-FT) audi-q7--4l---2006-2015--4-2-v8-tdi-esr6363710 RENNtech ECU Upgrade for 172

RENNtech ECU Upgrade for 172 - SLK 350 BlueEFFICIENCY

RENNtech Performance Series | Forged Wheels | Set of 2 Front and 2 Rear | Front: 19" x 8

Up to 554HP and 523LB-FT

extremely tight tolerances are attainable within thousandths of an inch

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

R1 Performance Package for Maybach (625 HP / 745 LB-FT) audi-q7--4l---2006-2015--4-2-v8-tdi-esr6363710 RENNtech ECU Upgrade for 172R1 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