RENNtech ECU Hand Held Tuner | HHT | W211 | E55 AMG Kompressor | 517HP/552LB-FT | 5.5L Kompressor | M113 | MY2003-2006 maserati-levante-s-v6-430-ps-esr4635760 The rotors consist of a

The rotors consist of a two-piece iron disc

Our ECU tune offers the biggest performance gains on the market with our dyno results increasing performance from 523 HP and 612 lb/ft torque

As can be seen below the intake provides a gain in performance throughout the RPM range

A must for all performance applications

RENNtech ECU Hand Held Tuner | HHT | W211 | E55 AMG Kompressor | 517HP/552LB-FT | 5.5L Kompressor | M113 | MY2003-2006 maserati-levante-s-v6-430-ps-esr4635760 The rotors consist of aRENNtech ECU HHT (HandHeldTuner) for the 211 E55 AMG Kompressor. Up to 517HP and 552LB FT. Gains: +48HP & +36TQ. RENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal! Our proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU.