Mercedes-Benz 450 / 43 Series | RENNtech Power Module | 417 HP / 442 LB-FT | M256 | 3.0 Inline 6 cylinder EQ Boost mercedes-benz-g-class--463---1990-2018--g-550-biturbo-esr6944132 The RENNtech Exhaust Valve Module

The RENNtech Exhaust Valve Module is made in Germany and compatible

CLK 55 (W208) Stock Performance:

Our numbers will be dependent on conditions and fuel quality

• To explain this process in short

Upgrading your OEM airbox with RENNtech’s Inlet upgrade can significantly enhance airflow

Mercedes-Benz 450 / 43 Series | RENNtech Power Module | 417 HP / 442 LB-FT | M256 | 3.0 Inline 6 cylinder EQ Boost mercedes-benz-g-class--463---1990-2018--g-550-biturbo-esr6944132 The RENNtech Exhaust Valve ModuleRENNtech Power Module M256 3. 0 Inline 6 cylinder EQ Boost ECU+ Upgrade Up to 417 HP 442 LB FT Gains: +50 HP & +74 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 +50 HP +74 LB FT in the Mercedes Benz M256 3. 0 Inline 6 cylinder EQ Boost engine,