Mercedes AMG M178 4.0L GT & GTs Tune (2015-2021) G55

Mercedes AMG M178 4.0L GT & GTs Tune (2015-2021) G55Includes flash loader, so ECU do not have to be removed from car or shipped across country like some tuners require. Tune M178 AMG GT & GTs. Please state if your car is GT or GTs with order. Engine power gains as rated form the Factory at the crankshaft are 117 HP amd 145 TQ! Gains of 82 HP and 95 Torque are Rear wheel HP TQ to the rear wheels with tune and air intake kit. Description: Performance ECU software precisely engineered for your engine.

while reducing weight

For  E55

🌟 Performance Enhancement: Achieve optimal handling and stability on the road

Gains to the Wheels

Direct flash via the (OBDII) Diagnostic port of your vehicle (8 minutes using Flash cable

protect and stabilize your M113K idlers

High quality Nachi bearings are used and heavy duty bearings seals installed to protect bearings from heat and dirt

Optimized throughout the RPM Band

High-flow sport offroad catless pipes

Our tests show 90 plus wheel hp and torque gains

since it is 30% lighter and 2mm smaller that OEM

This is one of the fastest turning idlers on the engine and the stock pulleys are known to fail