Mercedes-Benz AMG 43 Series | RENNtech Power Module | 411 HP / 442 LB-FT | M256 | 3.0L I6 Turbo EQ Boost porsche-cayman--981---2014-2016--cayman-esr5474046 RENNtech ECU HHT (HandHeldTuner) for

RENNtech ECU HHT (HandHeldTuner) for the 220 - S 55 AMG

RENNtech Deep Monolite Series Features:

Stock Axle Shaft Spline Count= 27 splines

Torque Nm 427

+125 HP / +166 LB-FT

Mercedes-Benz AMG 43 Series | RENNtech Power Module | 411 HP / 442 LB-FT | M256 | 3.0L I6 Turbo EQ Boost porsche-cayman--981---2014-2016--cayman-esr5474046 RENNtech ECU HHT (HandHeldTuner) forRENNtech Power Module M256 AMG 43 3. 0L I6 Turbo EQ Boost Up to 411 HP 442LB FT Gains: +49 HP & +73 LB FT The RENNtech Power Module (RPM) ECU tune delivers significant horsepower and torque gains across the entire power band. By modifying boost mapping and keeping optimized air to fuel ratios, the entire power and torque curve is shifted upward delivering +49 HP +73 LB FT in the Mercedes AMG 43 (M256) 3. 0l I6 Turbo EQ Boost engine, based on Dyno