Mercedes-Benz S 580 | RENNtech Power Module | 620 HP / 693 LB-FT | M176 | 4.0 liter BiTurbo V8 EQ Boost porsche-911--991-1---2011-2016--gt3-rs-esr2317826 W221 - S 63 AMG

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Mercedes-Benz S 580 | RENNtech Power Module | 620 HP / 693 LB-FT | M176 | 4.0 liter BiTurbo V8 EQ Boost porsche-911--991-1---2011-2016--gt3-rs-esr2317826 W221 - S 63 AMGRENNtech Power Module M176 4. 0 V8 BiTurbo with EQ Boost ECU+ Upgrade Up to 620 HP 693 LB FT Gains: +80 HP & +101 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 +80 HP +101 LB FT in the Mercedes Benz M176 4. 0 V8 BiTurbo EQ Boost engine, based

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