The Subaru Impreza STI 2004 Workshop Service Manual is a comprehensive resource for mechanics and car enthusiasts looking to repair and maintain their 2004 Subaru Impreza STI. This manual contains over 3000 pages of detailed information, covering every aspect of the vehicle's operation. From engine specifications and repair procedures to electrical diagrams and bodywork instructions, this manual provides you with the information you need to perform virtually any repair or maintenance task. It is a vital tool for anyone who wants to work on their own car and ensure it is running at its best.

The 2004 Subaru Impreza WRX STI, a performance-oriented variant of the popular Impreza compact car, marked a significant evolution in Subaru's motorsport legacy. Built upon the already potent WRX platform, the STI boasted a host of enhancements designed to elevate its performance capabilities to new heights. Under the hood resided a 2.5-liter, turbocharged, horizontally-opposed four-cylinder engine, affectionately known as the EJ257, producing an impressive 300 horsepower and 300 lb-ft of torque. This potent powerplant was mated to a close-ratio six-speed manual transmission, delivering lightning-fast shifts and a thrilling driving experience. The STI's handling prowess was further amplified by its sophisticated all-wheel-drive system, featuring a viscous-coupling center differential and a limited-slip rear differential, ensuring optimal traction and control in all conditions. Beyond its raw power and handling, the 2004 Impreza WRX STI was meticulously crafted for the enthusiast driver. Its suspension was meticulously tuned for precise steering response and exceptional body control, while its robust braking system provided confident stopping power. The interior, while retaining a functional and sporty aesthetic, featured supportive sport seats, a leather-wrapped steering wheel, and a host of driver-oriented features. The 2004 Subaru Impreza WRX STI, with its blend of performance, handling, and practicality, cemented its place as a modern automotive icon. It captivated motorsport enthusiasts and everyday drivers alike with its ability to deliver exhilarating driving experiences while remaining a reliable and practical daily driver. The 2004 Subaru Impreza WRX STI continues to be a sought-after and cherished vehicle for its unique blend of performance, handling, and legacy.