Mercedes-Benz M278 4.7L Bi-Turbo XperTune Performance Software V8 Vantage TQ (ft/lbs): +54

TQ (ft/lbs): +54

no welding required

Directional: Yes

HJS German imported 200 CPSI extra extra large Sport Catalytic Converters with ECU Tune adds an insane 75 whp (wheel horsepower) at 7200 RPM and 108 FT/LBS of torque at 3200 RPM

Mercedes-Benz M278 4.7L Bi-Turbo XperTune Performance Software V8 Vantage TQ (ft/lbs): +54Performance ECU software upgrade improves horsepower, torque, and driving characteristics of the M278 4. 7L V8 BiTurbo Engine by reprogramming various sensor inputs, air fuel ratios, and boost pressure. FEATURES: Fits all Mercedes Benz 550 M278 4. 7L V8 BiTurbo Vehicles: E Class S Class CL Class CLS Class SL Class M Class GLE Class GL Class GLS Class Stock Varies by Model Tuned +100 HP +110 ft lbs of torque Fabspeed Motorsport saves your stock factory