This comprehensive service and repair manual is specifically designed for the 2004 Subaru Impreza WRX STI. It offers a detailed guide to every aspect of your vehicle, enabling you to perform thorough maintenance and repairs. From engine overhauls to intricate component replacements, this manual provides step-by-step instructions and vital technical information. It covers a wide range of topics, including engine, transmission, electrical systems, brakes, suspension, and bodywork. With its in-depth explanations and clear diagrams, this manual serves as an invaluable resource for both professional mechanics and DIY enthusiasts. Whether you're tackling routine maintenance or complex repairs, this manual empowers you with the knowledge and confidence to keep your Subaru Impreza WRX STI running smoothly.

The 2004 Subaru Impreza WRX STI is a high-performance compact car that embodies the spirit of rally racing and thrilling driving experiences. This generation of the WRX STI, known as the "Blobeye" due to its distinctive rounded headlights, represents a significant evolution of the iconic Subaru performance model. Under the hood lies a 2.5-liter turbocharged boxer engine, producing a potent 300 horsepower and 300 lb-ft of torque. This power is channeled to all four wheels through a six-speed manual transmission and Subaru's legendary symmetrical all-wheel drive system, allowing for exceptional grip and control in various driving conditions. The STI's suspension is meticulously engineered for agility and precise handling, featuring stiffer springs, larger sway bars, and a unique "inverted" strut setup for increased responsiveness. Beyond its powerful performance, the 2004 Subaru Impreza WRX STI offers a surprisingly practical interior. While designed for driver focus, the cabin is comfortably appointed with supportive sport seats and functional instrumentation. The STI's compact dimensions make it surprisingly nimble and easy to maneuver, while the hatchback design provides ample cargo space for everyday needs. However, the STI's sporty nature comes with compromises, such as a somewhat harsh ride and limited rear seat space. Despite these trade-offs, the 2004 Subaru Impreza WRX STI remains a highly sought-after car for enthusiasts seeking a blend of performance, practicality, and distinctive character. Its reputation for reliability, handling prowess, and unique driving experience continues to attract drivers seeking a true driving machine.