The Mitsubishi Lancer Evolution IX, also known as the Evo 9, represents the eighth generation of this iconic performance sedan, produced from 2005 to 2007. Built upon a rich rally heritage, the Evo 9 is engineered for exhilarating driving dynamics, featuring a potent 4G63T MIVEC turbocharged engine and an advanced Super All Wheel Control (S-AWC) system, which includes Active Center Differential (ACD) and Active Yaw Control (AYC) for superior traction and agility. Available globally in various trims such as GSR, MR, GT, and SE, this model is renowned for its robust performance, exceptional handling, and motorsport-derived technology, making it a highly sought-after vehicle for enthusiasts and competitive driving.

This comprehensive workshop repair manual provides detailed information for the maintenance, diagnosis, and repair of the Mitsubishi Lancer Evolution IX (CT9A chassis). Covering all major systems including the engine, transmission, drivetrain, suspension, brakes, steering, and electrical systems, this manual offers step-by-step procedures, technical specifications, troubleshooting guides, and diagnostic information. It is designed to assist owners, mechanics, and technicians in keeping their Evo 9 in optimal condition, ensuring its legendary performance and reliability are maintained throughout its lifespan.