R1 Performance Package | W220 | S 500 | 325 HP / 365 LB-FT | 5.0L NA V8 | M113 porsche-911--992---2018-present--carrera-4---cabriolet-esr2109975 The secondary catalytic convertors are

The secondary catalytic convertors are removed

With the release of the Vantage V8

285 LB-FT @ 3500 RPM

646 LB-FT @2

This is a direct replacement for the OEM plastic piece

R1 Performance Package | W220 | S 500 | 325 HP / 365 LB-FT | 5.0L NA V8 | M113 porsche-911--992---2018-present--carrera-4---cabriolet-esr2109975 The secondary catalytic convertors areR1 Performance Package for 2220 S 500. Includes ECU Upgrade and Carbon Fiber Air Box. Up to 325HP and 365 LB FT. The R1 performance package for the Mercedes 500 series engine includes our proprietary ECU upgrade in addition to our full carbon fiber airbox upgrade which offers a larger volume of incoming air for better engine breathing and improved cylinder filling. This combination that provides noticeable increases horsepower, torque and throttle