Renntech tuned Mercedes AMG S63 with 5.5 liter biturbo V8 gives 1,138 Nm torque and 708 hp. ECU tweak helps increase in torque and power and takes along with free flowing 200 cell catalytic converts for Exhaust pipes, these changes boost 669 hp, 995 Nm and 10hp, 20 Nm respectively.Electronic valves provided.
Renntech took 445 hp to 588 hp and 663 Nm to 945 Nm at wheels. No change in derivetrain, power and torque is using seven speed AMG speedshift MCT automatic transmission.
Renntech used matte grey paint, black wheels and blacked out badging as shown in pictures.
Renntech kit price is $3,495 comes with tuned ECYU, plus $4,940 for catalytic converter and downpipes.