RENNtech RPM Ferrari | 488 | F154 | +64HP +57LB-FT mercedes-benz-e-class-sedan--213---2017-present--e-450-esr5934179 Override your cars factory exhaust

Override your cars factory exhaust flap setting with the push of a button

Custom colors and scales are also available

without creating unwanted cabin noise

CLASS E SW (S 212) 500 Blue Efficiency 4-matic [2 Filters Required] (HP: 408 | Year: 11 > )

The spoiler will fit any S-Class from 2014 and up

RENNtech RPM Ferrari | 488 | F154 | +64HP +57LB-FT mercedes-benz-e-class-sedan--213---2017-present--e-450-esr5934179 Override your cars factory exhaustThe RENNtech power module (RPM) ECU tune delivers significant horsepower and torque gains across the entire power band. By modifying ignition timing and throttle mapping, optimizing air to fuel ratios, and modifying boost mapping for turbo chargers the Ferrari F154 3. 9L Twin Turbo V8 engine gains up to +64HP and +57LB FT, based on RENNtech Dyno measured power figures.