The Mitsubishi Lancer Evolution IX, also known as the Evo IX or Evo 9, is a high-performance compact sedan produced from 2005 to 2007. As a rally homologation special, it is renowned for its potent turbocharged 4G63 MIVEC engine, sophisticated All-Wheel Control (AWC) system featuring ACD and AYC, and a rally-bred chassis. These key differentiators, coupled with its aggressive styling, positioned the Evo IX as a benchmark in its segment, directly competing with vehicles like the Subaru WRX STI. Its engineering quality and performance capabilities reflect Mitsubishi's extensive World Rally Championship heritage.

This comprehensive official full service repair manual provides an indispensable resource for maintaining, diagnosing, and repairing the Mitsubishi Lancer Evolution IX. It covers all major vehicle systems in detail, including the engine, transmission, drivetrain, suspension, brakes, steering, electrical systems, body, and HVAC. The manual offers step-by-step procedures for maintenance, repair, and rebuilds, along with extensive troubleshooting guides, diagnostic flowcharts, and safety guidelines. This English-language manual is designed to assist owners, mechanics, and technicians in ensuring the optimal performance and longevity of their Evo IX.