R1 Performance Package | C215 | CL 55 AMG | 372 HP / 411 LB-FT | 5.5L NA V8 | M113 porsche-911--997-2---2009-2013--turbo-s-esr1241669 CAYENNE - 955 4

CAYENNE - 955 4

We have found the M276 engine stock performance numbers vary from the baseline figures claimed by Mercedes-Benz

Available in black or chrome

and smooth roller ball black ink

Made at RENNtech HQ

R1 Performance Package | C215 | CL 55 AMG | 372 HP / 411 LB-FT | 5.5L NA V8 | M113 porsche-911--997-2---2009-2013--turbo-s-esr1241669 CAYENNE - 955 4R1 Performance Package for 215 CL 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