The E55/CLS55 AMG Exhaust & ECU Calibration is the perfect combination for those looking to take their high-performance Mercedes AMG to the next level. This package offers a convenient and straightforward upgrade with 80+ HP gains. The exhaust system is a direct bolt on, ensuring a seamless installation process, while the ECU calibration provides optimized performance and responsiveness. With global tuning support and remote capabilities, users can fine-tune their vehicle's performance from anywhere in the world. Transform your E55 or CLS55 AMG into a true powerhouse with this exceptional upgrade package.