R1 Performance Package | W211 | E 500 | 325 HP / 365 LB-FT | 5.0L NA V8 | M113 porsche-911--992---2018-present--carrera-s---cabriolet-esr6132227 RENNtech Stage I Turbocharger Upgrade

RENNtech Stage I Turbocharger Upgrade

Replacing the stock center muffler alone reduces the weight at the back of the car

This set of wheels has been exclusively designed and weight optimized for the SLR McLaren

These exceptionally unique and refined aerodynamic pieces complete the RENNtech SLS aero package by integrating flawlessly with the original lines of the vehicle while boosting the overall testosterone level of the sporty SLS

R1 Performance Package | W211 | E 500 | 325 HP / 365 LB-FT | 5.0L NA V8 | M113 porsche-911--992---2018-present--carrera-s---cabriolet-esr6132227 RENNtech Stage I Turbocharger UpgradeR1 Performance Package for 211 E 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