R1 Performance Package | W220 | S 55 AMG | 372 HP / 411 LB-FT | 5.5L NA V8 | M113 porsche-911--991-1---2011-2016--gt3-rs-esr2317826 The end result is nothing

The end result is nothing short of spectacular with the RENNtech turbo package gaining up to 178 hp and 109 lb-ft

throttle mapping

BMC Air Filters and RENNtech Fuel System Upgrade

which make these Ingolstadt machines even more attractive on all fronts

R1 Performance Package | W220 | S 55 AMG | 372 HP / 411 LB-FT | 5.5L NA V8 | M113 porsche-911--991-1---2011-2016--gt3-rs-esr2317826 The end result is nothingR1 Performance Package for 220 S 55 AMG. Includes ECU Upgrade and Carbon Fiber Air Box. Up to 372HP and 411 LB FT. The R1 performance package for the Mercedes 55 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