Mercedes-AMG SL 55 & GT 55 | RPM ECU-Upgrade | C192 & R232 | 4.0 L BiTurbo | 579 HP | 664 LB-FT mercedes-benz-cl-class--215---2001-2006--cl-600-biturbo--2003-2006--esr3211224 GL63 AMG (X166 | SUV

GL63 AMG (X166 | SUV | MY2013-15 | 4MATIC | M157 | 5

Note: Mercedes M137 engine performance when measured obtains higher numbers that rated from factory

Porsche Cayenne (92A | MY2011-18)

RENNtech Carbon Fiber Rear Wing | C190  AMG GT Series

Continental GT Speed (MY2021+)

Mercedes-AMG SL 55 & GT 55 | RPM ECU-Upgrade | C192 & R232 | 4.0 L BiTurbo | 579 HP | 664 LB-FT mercedes-benz-cl-class--215---2001-2006--cl-600-biturbo--2003-2006--esr3211224 GL63 AMG (X166 | SUVRENNtech Power Module ECU Upgrade for Mercedes AMG SL 55 & GT 55 C192 & R232 4. 0 L BiTurbo w EQ Boost M177 579 HP & 664LB FT RENNtech Power Module (RPM) ECU tune increases horsepower and torque across the entire power band. By modifying ignition timing, throttle mapping, optimizing air to fuel ratios of the 4. 0 liter BiTurbo V8 engine (M177) found in the Mercedes AMG SL series of vehicles. The RPM is contained in a CNC machined 6061 aluminum case