for engine S55B30TO and 317 kW / 431 hp and 331 kW / 450 PS standard performance performance: 375 kW / 510 hp torque standard: 550Nm torque AC Schnitzer: 645Nm specifications only when using at least 98 octane fuel Inclusive 48 months AC Schnitzer warranty from initial registration ! Before ordering car data and car owner data and also mileage reading must be indicated ! NOTE: Homologation only for cars with duplex clutch transmission! You can mount this item individually or in combination with an AC Schnitzer silencer. Homologations for this area of application are available and are supplied with the product